Finding the Fourth Proportional to 31,160.10, 43,002.59 and 17,013

Step by Step Solution

1. Step 1: Write the proportion equation
   31,160.10 : 43,002.59 = 17,013 : x
2. Step 2: Convert to fraction form
   31,160.10/43,002.59 = 17,013/x
3. Step 3: Cross multiply
   31,160.10x = 43,002.59 × 17,013
4. Step 4: Simplify right side
   31,160.10x = 731,602,978.61
5. Step 5: Solve for x
   x = 731,602,978.61/31,160.10
6. Step 6: Final answer
   x = 23,478.84