Finding the Fourth Proportional to 31,265.85, 43,146.87 and 17,118.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,265.85 : 43,146.87 = 17,118.69 : x
2. Step 2: Convert to fraction form
   31,265.85/43,146.87 = 17,118.69/x
3. Step 3: Cross multiply
   31,265.85x = 43,146.87 × 17,118.69
4. Step 4: Simplify right side
   31,265.85x = 738,617,892.00
5. Step 5: Solve for x
   x = 738,617,892.00/31,265.85
6. Step 6: Final answer
   x = 23,623.79