Finding the Fourth Proportional to 51,665.87, 71,332.52 and 31,534.43

Step by Step Solution

1. Step 1: Write the proportion equation
   51,665.87 : 71,332.52 = 31,534.43 : x
2. Step 2: Convert to fraction form
   51,665.87/71,332.52 = 31,534.43/x
3. Step 3: Cross multiply
   51,665.87x = 71,332.52 × 31,534.43
4. Step 4: Simplify right side
   51,665.87x = 2,249,429,844.33
5. Step 5: Solve for x
   x = 2,249,429,844.33/51,665.87
6. Step 6: Final answer
   x = 43,538.02