Finding the Fourth Proportional to 31,526.43, 43,506.81 and 17,379.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,526.43 : 43,506.81 = 17,379.78 : x
2. Step 2: Convert to fraction form
   31,526.43/43,506.81 = 17,379.78/x
3. Step 3: Cross multiply
   31,526.43x = 43,506.81 × 17,379.78
4. Step 4: Simplify right side
   31,526.43x = 756,138,786.30
5. Step 5: Solve for x
   x = 756,138,786.30/31,526.43
6. Step 6: Final answer
   x = 23,984.28