Finding the Fourth Proportional to 52,238.31, 72,088.50 and 28,364.97

Step by Step Solution

1. Step 1: Write the proportion equation
   52,238.31 : 72,088.50 = 28,364.97 : x
2. Step 2: Convert to fraction form
   52,238.31/72,088.50 = 28,364.97/x
3. Step 3: Cross multiply
   52,238.31x = 72,088.50 × 28,364.97
4. Step 4: Simplify right side
   52,238.31x = 2,044,788,139.85
5. Step 5: Solve for x
   x = 2,044,788,139.85/52,238.31
6. Step 6: Final answer
   x = 39,143.46