Finding the Fourth Proportional to 31,185.16, 43,036.14 and 17,038.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185.16 : 43,036.14 = 17,038.88 : x
2. Step 2: Convert to fraction form
   31,185.16/43,036.14 = 17,038.88/x
3. Step 3: Cross multiply
   31,185.16x = 43,036.14 × 17,038.88
4. Step 4: Simplify right side
   31,185.16x = 733,287,625.12
5. Step 5: Solve for x
   x = 733,287,625.12/31,185.16
6. Step 6: Final answer
   x = 23,513.99