Finding the Fourth Proportional to 52,158.08, 71,978.17 and 28,284.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,158.08 : 71,978.17 = 28,284.75 : x
2. Step 2: Convert to fraction form
   52,158.08/71,978.17 = 28,284.75/x
3. Step 3: Cross multiply
   52,158.08x = 71,978.17 × 28,284.75
4. Step 4: Simplify right side
   52,158.08x = 2,035,884,543.91
5. Step 5: Solve for x
   x = 2,035,884,543.91/52,158.08
6. Step 6: Final answer
   x = 39,032.97