Finding the Fourth Proportional to 90,404.93, 124,766.18 and 50,131.32

Step by Step Solution

1. Step 1: Write the proportion equation
   90,404.93 : 124,766.18 = 50,131.32 : x
2. Step 2: Convert to fraction form
   90,404.93/124,766.18 = 50,131.32/x
3. Step 3: Cross multiply
   90,404.93x = 124,766.18 × 50,131.32
4. Step 4: Simplify right side
   90,404.93x = 6,254,693,044.10
5. Step 5: Solve for x
   x = 6,254,693,044.10/90,404.93
6. Step 6: Final answer
   x = 69,185.31