Finding the Fourth Proportional to 52,231.91, 72,080.03 and 28,358.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,231.91 : 72,080.03 = 28,358.59 : x
2. Step 2: Convert to fraction form
   52,231.91/72,080.03 = 28,358.59/x
3. Step 3: Cross multiply
   52,231.91x = 72,080.03 × 28,358.59
4. Step 4: Simplify right side
   52,231.91x = 2,044,087,944.10
5. Step 5: Solve for x
   x = 2,044,087,944.10/52,231.91
6. Step 6: Final answer
   x = 39,134.85