Finding the Fourth Proportional to 52,371.28, 72,273.90 and 28,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,371.28 : 72,273.90 = 28,499.50 : x
2. Step 2: Convert to fraction form
   52,371.28/72,273.90 = 28,499.50/x
3. Step 3: Cross multiply
   52,371.28x = 72,273.90 × 28,499.50
4. Step 4: Simplify right side
   52,371.28x = 2,059,769,563.26
5. Step 5: Solve for x
   x = 2,059,769,563.26/52,371.28
6. Step 6: Final answer
   x = 39,330.13