Finding the Fourth Proportional to 31,764.52, 43,831.88 and 18,340.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,764.52 : 43,831.88 = 18,340.10 : x
2. Step 2: Convert to fraction form
   31,764.52/43,831.88 = 18,340.10/x
3. Step 3: Cross multiply
   31,764.52x = 43,831.88 × 18,340.10
4. Step 4: Simplify right side
   31,764.52x = 803,881,062.39
5. Step 5: Solve for x
   x = 803,881,062.39/31,764.52
6. Step 6: Final answer
   x = 25,307.51