Finding the Fourth Proportional to 123,706,192.88, 170,704,590.32 and 71,498,610

Step by Step Solution

1. Step 1: Write the proportion equation
   123,706,192.88 : 170,704,590.32 = 71,498,610 : x
2. Step 2: Convert to fraction form
   123,706,192.88/170,704,590.32 = 71,498,610/x
3. Step 3: Cross multiply
   123,706,192.88x = 170,704,590.32 × 71,498,610
4. Step 4: Simplify right side
   123,706,192.88x = 12,205,140,928,499,454
5. Step 5: Solve for x
   x = 12,205,140,928,499,454/123,706,192.88
6. Step 6: Final answer
   x = 98,662,327.60