Finding the Fourth Proportional to 31,827.50, 43,921.98 and 17,681.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,827.50 : 43,921.98 = 17,681.66 : x
2. Step 2: Convert to fraction form
   31,827.50/43,921.98 = 17,681.66/x
3. Step 3: Cross multiply
   31,827.50x = 43,921.98 × 17,681.66
4. Step 4: Simplify right side
   31,827.50x = 776,613,516.89
5. Step 5: Solve for x
   x = 776,613,516.89/31,827.50
6. Step 6: Final answer
   x = 24,400.71