Finding the Fourth Proportional to 52,309.48, 72,186.50 and 38,940.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,309.48 : 72,186.50 = 38,940.52 : x
2. Step 2: Convert to fraction form
   52,309.48/72,186.50 = 38,940.52/x
3. Step 3: Cross multiply
   52,309.48x = 72,186.50 × 38,940.52
4. Step 4: Simplify right side
   52,309.48x = 2,810,979,846.98
5. Step 5: Solve for x
   x = 2,810,979,846.98/52,309.48
6. Step 6: Final answer
   x = 53,737.48