Finding the Fourth Proportional to 31,574.61, 43,571.61 and 17,427.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,574.61 : 43,571.61 = 17,427.15 : x
2. Step 2: Convert to fraction form
   31,574.61/43,571.61 = 17,427.15/x
3. Step 3: Cross multiply
   31,574.61x = 43,571.61 × 17,427.15
4. Step 4: Simplify right side
   31,574.61x = 759,328,983.21
5. Step 5: Solve for x
   x = 759,328,983.21/31,574.61
6. Step 6: Final answer
   x = 24,048.72