Finding the Fourth Proportional to 31,160.93, 43,002.06 and 17,013.77

Step by Step Solution

1. Step 1: Write the proportion equation
   31,160.93 : 43,002.06 = 17,013.77 : x
2. Step 2: Convert to fraction form
   31,160.93/43,002.06 = 17,013.77/x
3. Step 3: Cross multiply
   31,160.93x = 43,002.06 × 17,013.77
4. Step 4: Simplify right side
   31,160.93x = 731,627,265.87
5. Step 5: Solve for x
   x = 731,627,265.87/31,160.93
6. Step 6: Final answer
   x = 23,479.00