Finding the Fourth Proportional to 31,528.18, 43,508.37 and 17,382.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528.18 : 43,508.37 = 17,382.34 : x
2. Step 2: Convert to fraction form
   31,528.18/43,508.37 = 17,382.34/x
3. Step 3: Cross multiply
   31,528.18x = 43,508.37 × 17,382.34
4. Step 4: Simplify right side
   31,528.18x = 756,277,280.19
5. Step 5: Solve for x
   x = 756,277,280.19/31,528.18
6. Step 6: Final answer
   x = 23,987.34