Finding the Fourth Proportional to 59,789.58, 89,663.37 and 17,658.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59,789.58 : 89,663.37 = 17,658.42 : x
2. Step 2: Convert to fraction form
   59,789.58/89,663.37 = 17,658.42/x
3. Step 3: Cross multiply
   59,789.58x = 89,663.37 × 17,658.42
4. Step 4: Simplify right side
   59,789.58x = 1,583,313,446.08
5. Step 5: Solve for x
   x = 1,583,313,446.08/59,789.58
6. Step 6: Final answer
   x = 26,481.43