Finding the Fourth Proportional to 31,654.71, 43,719.39 and 21,565.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,654.71 : 43,719.39 = 21,565.62 : x
2. Step 2: Convert to fraction form
   31,654.71/43,719.39 = 21,565.62/x
3. Step 3: Cross multiply
   31,654.71x = 43,719.39 × 21,565.62
4. Step 4: Simplify right side
   31,654.71x = 942,835,751.37
5. Step 5: Solve for x
   x = 942,835,751.37/31,654.71
6. Step 6: Final answer
   x = 29,785.01