Finding the Fourth Proportional to 12,792,949,105.89, 17,653,739,402.28 and 6,999,224,086.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792,949,105.89 : 17,653,739,402.28 = 6,999,224,086.32 : x
2. Step 2: Convert to fraction form
   12,792,949,105.89/17,653,739,402.28 = 6,999,224,086.32/x
3. Step 3: Cross multiply
   12,792,949,105.89x = 17,653,739,402.28 × 6,999,224,086.32
4. Step 4: Simplify right side
   12,792,949,105.89x = 123,562,478,038,012,002,304
5. Step 5: Solve for x
   x = 123,562,478,038,012,002,304/12,792,949,105.89
6. Step 6: Final answer
   x = 9,658,639,068.70