Finding the Fourth Proportional to 52,315.72, 72,196.30 and 28,441.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,315.72 : 72,196.30 = 28,441.86 : x
2. Step 2: Convert to fraction form
   52,315.72/72,196.30 = 28,441.86/x
3. Step 3: Cross multiply
   52,315.72x = 72,196.30 × 28,441.86
4. Step 4: Simplify right side
   52,315.72x = 2,053,397,057.12
5. Step 5: Solve for x
   x = 2,053,397,057.12/52,315.72
6. Step 6: Final answer
   x = 39,250.10