Finding the Fourth Proportional to 39,712,428,061.98, 59,580,247,612.14 and 12,820,364,874.24

Step by Step Solution

1. Step 1: Write the proportion equation
   39,712,428,061.98 : 59,580,247,612.14 = 12,820,364,874.24 : x
2. Step 2: Convert to fraction form
   39,712,428,061.98/59,580,247,612.14 = 12,820,364,874.24/x
3. Step 3: Cross multiply
   39,712,428,061.98x = 59,580,247,612.14 × 12,820,364,874.24
4. Step 4: Simplify right side
   39,712,428,061.98x = 763,840,513,685,201,223,680
5. Step 5: Solve for x
   x = 763,840,513,685,201,223,680/39,712,428,061.98
6. Step 6: Final answer
   x = 19,234,293,921.62