Finding the Fourth Proportional to 31,801.86, 43,887.90 and 17,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,801.86 : 43,887.90 = 17,654.72 : x
2. Step 2: Convert to fraction form
   31,801.86/43,887.90 = 17,654.72/x
3. Step 3: Cross multiply
   31,801.86x = 43,887.90 × 17,654.72
4. Step 4: Simplify right side
   31,801.86x = 774,828,585.89
5. Step 5: Solve for x
   x = 774,828,585.89/31,801.86
6. Step 6: Final answer
   x = 24,364.25