Finding the Fourth Proportional to 117,799,758.78, 162,581,340.58 and 89,495,555.57

Step by Step Solution

1. Step 1: Write the proportion equation
   117,799,758.78 : 162,581,340.58 = 89,495,555.57 : x
2. Step 2: Convert to fraction form
   117,799,758.78/162,581,340.58 = 89,495,555.57/x
3. Step 3: Cross multiply
   117,799,758.78x = 162,581,340.58 × 89,495,555.57
4. Step 4: Simplify right side
   117,799,758.78x = 14,550,307,400,095,518
5. Step 5: Solve for x
   x = 14,550,307,400,095,518/117,799,758.78
6. Step 6: Final answer
   x = 123,517,293.68