Finding the Fourth Proportional to 52,131.71, 71,941.85 and 28,258.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,131.71 : 71,941.85 = 28,258.37 : x
2. Step 2: Convert to fraction form
   52,131.71/71,941.85 = 28,258.37/x
3. Step 3: Cross multiply
   52,131.71x = 71,941.85 × 28,258.37
4. Step 4: Simplify right side
   52,131.71x = 2,032,959,415.78
5. Step 5: Solve for x
   x = 2,032,959,415.78/52,131.71
6. Step 6: Final answer
   x = 38,996.60