Finding the Fourth Proportional to 90,465.30, 124,698.24 and 71,314.02

Step by Step Solution

1. Step 1: Write the proportion equation
   90,465.30 : 124,698.24 = 71,314.02 : x
2. Step 2: Convert to fraction form
   90,465.30/124,698.24 = 71,314.02/x
3. Step 3: Cross multiply
   90,465.30x = 124,698.24 × 71,314.02
4. Step 4: Simplify right side
   90,465.30x = 8,892,732,781.32
5. Step 5: Solve for x
   x = 8,892,732,781.32/90,465.30
6. Step 6: Final answer
   x = 98,299.93