Finding the Fourth Proportional to 52,796.86, 72,861.49 and 28,923.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,796.86 : 72,861.49 = 28,923.53 : x
2. Step 2: Convert to fraction form
   52,796.86/72,861.49 = 28,923.53/x
3. Step 3: Cross multiply
   52,796.86x = 72,861.49 × 28,923.53
4. Step 4: Simplify right side
   52,796.86x = 2,107,411,436.94
5. Step 5: Solve for x
   x = 2,107,411,436.94/52,796.86
6. Step 6: Final answer
   x = 39,915.47