Finding the Fourth Proportional to 52,381.98, 72,288.72 and 28,510.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,381.98 : 72,288.72 = 28,510.38 : x
2. Step 2: Convert to fraction form
   52,381.98/72,288.72 = 28,510.38/x
3. Step 3: Cross multiply
   52,381.98x = 72,288.72 × 28,510.38
4. Step 4: Simplify right side
   52,381.98x = 2,060,978,876.91
5. Step 5: Solve for x
   x = 2,060,978,876.91/52,381.98
6. Step 6: Final answer
   x = 39,345.19