Finding the Fourth Proportional to 31,359.79, 43,275.89 and 17,747.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,359.79 : 43,275.89 = 17,747.58 : x
2. Step 2: Convert to fraction form
   31,359.79/43,275.89 = 17,747.58/x
3. Step 3: Cross multiply
   31,359.79x = 43,275.89 × 17,747.58
4. Step 4: Simplify right side
   31,359.79x = 768,042,364.22
5. Step 5: Solve for x
   x = 768,042,364.22/31,359.79
6. Step 6: Final answer
   x = 24,491.31