Finding the Fourth Proportional to 52,632.72, 72,633.17 and 28,433.70

Step by Step Solution

1. Step 1: Write the proportion equation
   52,632.72 : 72,633.17 = 28,433.70 : x
2. Step 2: Convert to fraction form
   52,632.72/72,633.17 = 28,433.70/x
3. Step 3: Cross multiply
   52,632.72x = 72,633.17 × 28,433.70
4. Step 4: Simplify right side
   52,632.72x = 2,065,229,836.91
5. Step 5: Solve for x
   x = 2,065,229,836.91/52,632.72
6. Step 6: Final answer
   x = 39,238.52