Finding the Fourth Proportional to 88,587,363.20, 123,719,977.60 and 88,587,363.20

Step by Step Solution

1. Step 1: Write the proportion equation
   88,587,363.20 : 123,719,977.60 = 88,587,363.20 : x
2. Step 2: Convert to fraction form
   88,587,363.20/123,719,977.60 = 88,587,363.20/x
3. Step 3: Cross multiply
   88,587,363.20x = 123,719,977.60 × 88,587,363.20
4. Step 4: Simplify right side
   88,587,363.20x = 10,960,026,590,747,064
5. Step 5: Solve for x
   x = 10,960,026,590,747,064/88,587,363.20
6. Step 6: Final answer
   x = 123,719,977.60