Finding the Fourth Proportional to 31,499.02, 43,469.67 and 17,159.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.02 : 43,469.67 = 17,159.29 : x
2. Step 2: Convert to fraction form
   31,499.02/43,469.67 = 17,159.29/x
3. Step 3: Cross multiply
   31,499.02x = 43,469.67 × 17,159.29
4. Step 4: Simplify right side
   31,499.02x = 745,908,673.73
5. Step 5: Solve for x
   x = 745,908,673.73/31,499.02
6. Step 6: Final answer
   x = 23,680.38