Finding the Fourth Proportional to 31,454.76, 43,405.92 and 17,304.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,454.76 : 43,405.92 = 17,304.87 : x
2. Step 2: Convert to fraction form
   31,454.76/43,405.92 = 17,304.87/x
3. Step 3: Cross multiply
   31,454.76x = 43,405.92 × 17,304.87
4. Step 4: Simplify right side
   31,454.76x = 751,133,802.83
5. Step 5: Solve for x
   x = 751,133,802.83/31,454.76
6. Step 6: Final answer
   x = 23,879.81