Finding the Fourth Proportional to 52,345.38, 72,237 and 28,472.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,345.38 : 72,237 = 28,472.04 : x
2. Step 2: Convert to fraction form
   52,345.38/72,237 = 28,472.04/x
3. Step 3: Cross multiply
   52,345.38x = 72,237 × 28,472.04
4. Step 4: Simplify right side
   52,345.38x = 2,056,734,753.48
5. Step 5: Solve for x
   x = 2,056,734,753.48/52,345.38
6. Step 6: Final answer
   x = 39,291.62