Finding the Fourth Proportional to 52,385.40, 72,293.76 and 28,510.92

Step by Step Solution

1. Step 1: Write the proportion equation
   52,385.40 : 72,293.76 = 28,510.92 : x
2. Step 2: Convert to fraction form
   52,385.40/72,293.76 = 28,510.92/x
3. Step 3: Cross multiply
   52,385.40x = 72,293.76 × 28,510.92
4. Step 4: Simplify right side
   52,385.40x = 2,061,161,607.86
5. Step 5: Solve for x
   x = 2,061,161,607.86/52,385.40
6. Step 6: Final answer
   x = 39,346.11