Finding the Fourth Proportional to 90,227.58, 124,526.79 and 52,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   90,227.58 : 124,526.79 = 52,513.98 : x
2. Step 2: Convert to fraction form
   90,227.58/124,526.79 = 52,513.98/x
3. Step 3: Cross multiply
   90,227.58x = 124,526.79 × 52,513.98
4. Step 4: Simplify right side
   90,227.58x = 6,539,397,359.52
5. Step 5: Solve for x
   x = 6,539,397,359.52/90,227.58
6. Step 6: Final answer
   x = 72,476.70