Finding the Fourth Proportional to 52,463.50, 72,399.52 and 28,590.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,463.50 : 72,399.52 = 28,590.10 : x
2. Step 2: Convert to fraction form
   52,463.50/72,399.52 = 28,590.10/x
3. Step 3: Cross multiply
   52,463.50x = 72,399.52 × 28,590.10
4. Step 4: Simplify right side
   52,463.50x = 2,069,909,371.49
5. Step 5: Solve for x
   x = 2,069,909,371.49/52,463.50
6. Step 6: Final answer
   x = 39,454.28