Finding the Fourth Proportional to 31,758.71, 43,828.76 and 17,611.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,758.71 : 43,828.76 = 17,611.25 : x
2. Step 2: Convert to fraction form
   31,758.71/43,828.76 = 17,611.25/x
3. Step 3: Cross multiply
   31,758.71x = 43,828.76 × 17,611.25
4. Step 4: Simplify right side
   31,758.71x = 771,879,074.43
5. Step 5: Solve for x
   x = 771,879,074.43/31,758.71
6. Step 6: Final answer
   x = 24,304.49