Finding the Fourth Proportional to 31,827, 43,921.29 and 17,681.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,827 : 43,921.29 = 17,681.16 : x
2. Step 2: Convert to fraction form
   31,827/43,921.29 = 17,681.16/x
3. Step 3: Cross multiply
   31,827x = 43,921.29 × 17,681.16
4. Step 4: Simplify right side
   31,827x = 776,579,355.90
5. Step 5: Solve for x
   x = 776,579,355.90/31,827
6. Step 6: Final answer
   x = 24,400.02