Finding the Fourth Proportional to 90,426.89, 124,760.71 and 52,181.43

Step by Step Solution

1. Step 1: Write the proportion equation
   90,426.89 : 124,760.71 = 52,181.43 : x
2. Step 2: Convert to fraction form
   90,426.89/124,760.71 = 52,181.43/x
3. Step 3: Cross multiply
   90,426.89x = 124,760.71 × 52,181.43
4. Step 4: Simplify right side
   90,426.89x = 6,510,191,852.99
5. Step 5: Solve for x
   x = 6,510,191,852.99/90,426.89
6. Step 6: Final answer
   x = 71,993.98