Finding the Fourth Proportional to 52,256.18, 72,113.46 and 28,382.87

Step by Step Solution

1. Step 1: Write the proportion equation
   52,256.18 : 72,113.46 = 28,382.87 : x
2. Step 2: Convert to fraction form
   52,256.18/72,113.46 = 28,382.87/x
3. Step 3: Cross multiply
   52,256.18x = 72,113.46 × 28,382.87
4. Step 4: Simplify right side
   52,256.18x = 2,046,786,599.86
5. Step 5: Solve for x
   x = 2,046,786,599.86/52,256.18
6. Step 6: Final answer
   x = 39,168.32