Finding the Fourth Proportional to 2,217,565,839,132.80, 3,320,620,030,977.50 and 1,530,487,953,761.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,565,839,132.80 : 3,320,620,030,977.50 = 1,530,487,953,761.10 : x
2. Step 2: Convert to fraction form
   2,217,565,839,132.80/3,320,620,030,977.50 = 1,530,487,953,761.10/x
3. Step 3: Cross multiply
   2,217,565,839,132.80x = 3,320,620,030,977.50 × 1,530,487,953,761.10
4. Step 4: Simplify right side
   2,217,565,839,132.80x = 5,082,168,956,428,874,443,390,976
5. Step 5: Solve for x
   x = 5,082,168,956,428,874,443,390,976/2,217,565,839,132.80
6. Step 6: Final answer
   x = 2,291,778,159,072.07