Finding the Fourth Proportional to 52,681.38, 72,700.37 and 28,807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,681.38 : 72,700.37 = 28,807.98 : x
2. Step 2: Convert to fraction form
   52,681.38/72,700.37 = 28,807.98/x
3. Step 3: Cross multiply
   52,681.38x = 72,700.37 × 28,807.98
4. Step 4: Simplify right side
   52,681.38x = 2,094,350,804.95
5. Step 5: Solve for x
   x = 2,094,350,804.95/52,681.38
6. Step 6: Final answer
   x = 39,755.05