Finding the Fourth Proportional to 2,217,565,839,139.80, 3,320,620,030,988 and 1,530,487,953,768.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217,565,839,139.80 : 3,320,620,030,988 = 1,530,487,953,768.10 : x
2. Step 2: Convert to fraction form
   2,217,565,839,139.80/3,320,620,030,988 = 1,530,487,953,768.10/x
3. Step 3: Cross multiply
   2,217,565,839,139.80x = 3,320,620,030,988 × 1,530,487,953,768.10
4. Step 4: Simplify right side
   2,217,565,839,139.80x = 5,082,168,956,468,189,500,276,736
5. Step 5: Solve for x
   x = 5,082,168,956,468,189,500,276,736/2,217,565,839,139.80
6. Step 6: Final answer
   x = 2,291,778,159,082.56