Finding the Fourth Proportional to 52,462.20, 72,397.72 and 28,588.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,462.20 : 72,397.72 = 28,588.82 : x
2. Step 2: Convert to fraction form
   52,462.20/72,397.72 = 28,588.82/x
3. Step 3: Cross multiply
   52,462.20x = 72,397.72 × 28,588.82
4. Step 4: Simplify right side
   52,462.20x = 2,069,765,139.64
5. Step 5: Solve for x
   x = 2,069,765,139.64/52,462.20
6. Step 6: Final answer
   x = 39,452.51