Finding the Fourth Proportional to 31,294.69, 43,186.69 and 17,147.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,294.69 : 43,186.69 = 17,147.53 : x
2. Step 2: Convert to fraction form
   31,294.69/43,186.69 = 17,147.53/x
3. Step 3: Cross multiply
   31,294.69x = 43,186.69 × 17,147.53
4. Step 4: Simplify right side
   31,294.69x = 740,545,062.38
5. Step 5: Solve for x
   x = 740,545,062.38/31,294.69
6. Step 6: Final answer
   x = 23,663.60