Finding the Fourth Proportional to 31,787.16, 43,866.54 and 17,641.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,787.16 : 43,866.54 = 17,641.32 : x
2. Step 2: Convert to fraction form
   31,787.16/43,866.54 = 17,641.32/x
3. Step 3: Cross multiply
   31,787.16x = 43,866.54 × 17,641.32
4. Step 4: Simplify right side
   31,787.16x = 773,863,669.43
5. Step 5: Solve for x
   x = 773,863,669.43/31,787.16
6. Step 6: Final answer
   x = 24,345.17