Finding the Fourth Proportional to 31,570.30, 43,566.15 and 17,422.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,570.30 : 43,566.15 = 17,422.12 : x
2. Step 2: Convert to fraction form
   31,570.30/43,566.15 = 17,422.12/x
3. Step 3: Cross multiply
   31,570.30x = 43,566.15 × 17,422.12
4. Step 4: Simplify right side
   31,570.30x = 759,014,693.24
5. Step 5: Solve for x
   x = 759,014,693.24/31,570.30
6. Step 6: Final answer
   x = 24,042.05