Finding the Fourth Proportional to 52,487.69, 72,432.32 and 28,614.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,487.69 : 72,432.32 = 28,614.30 : x
2. Step 2: Convert to fraction form
   52,487.69/72,432.32 = 28,614.30/x
3. Step 3: Cross multiply
   52,487.69x = 72,432.32 × 28,614.30
4. Step 4: Simplify right side
   52,487.69x = 2,072,599,991.10
5. Step 5: Solve for x
   x = 2,072,599,991.10/52,487.69
6. Step 6: Final answer
   x = 39,487.36