Finding the Fourth Proportional to 123,706,381.47, 170,704,850.76 and 71,498,798.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,706,381.47 : 170,704,850.76 = 71,498,798.61 : x
2. Step 2: Convert to fraction form
   123,706,381.47/170,704,850.76 = 71,498,798.61/x
3. Step 3: Cross multiply
   123,706,381.47x = 170,704,850.76 × 71,498,798.61
4. Step 4: Simplify right side
   123,706,381.47x = 12,205,191,746,239,344
5. Step 5: Solve for x
   x = 12,205,191,746,239,344/123,706,381.47
6. Step 6: Final answer
   x = 98,662,587.99