Finding the Fourth Proportional to 3,891,953,841,697, 5,833,844,145,768.40 and 1,309,479,783,468.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891,953,841,697 : 5,833,844,145,768.40 = 1,309,479,783,468.10 : x
2. Step 2: Convert to fraction form
   3,891,953,841,697/5,833,844,145,768.40 = 1,309,479,783,468.10/x
3. Step 3: Cross multiply
   3,891,953,841,697x = 5,833,844,145,768.40 × 1,309,479,783,468.10
4. Step 4: Simplify right side
   3,891,953,841,697x = 7,639,300,968,787,448,696,930,304
5. Step 5: Solve for x
   x = 7,639,300,968,787,448,696,930,304/3,891,953,841,697
6. Step 6: Final answer
   x = 1,962,844,699,477.86