Finding the Fourth Proportional to 52,684.38, 72,704.50 and 28,810.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,684.38 : 72,704.50 = 28,810.98 : x
2. Step 2: Convert to fraction form
   52,684.38/72,704.50 = 28,810.98/x
3. Step 3: Cross multiply
   52,684.38x = 72,704.50 × 28,810.98
4. Step 4: Simplify right side
   52,684.38x = 2,094,687,895.41
5. Step 5: Solve for x
   x = 2,094,687,895.41/52,684.38
6. Step 6: Final answer
   x = 39,759.18