Finding the Fourth Proportional to 31,856.15, 43,962.61 and 17,517.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,856.15 : 43,962.61 = 17,517.07 : x
2. Step 2: Convert to fraction form
   31,856.15/43,962.61 = 17,517.07/x
3. Step 3: Cross multiply
   31,856.15x = 43,962.61 × 17,517.07
4. Step 4: Simplify right side
   31,856.15x = 770,095,853.15
5. Step 5: Solve for x
   x = 770,095,853.15/31,856.15
6. Step 6: Final answer
   x = 24,174.17