Finding the Fourth Proportional to 3,658.54, 5,488.71 and 1,061.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.54 : 5,488.71 = 1,061.48 : x
2. Step 2: Convert to fraction form
   3,658.54/5,488.71 = 1,061.48/x
3. Step 3: Cross multiply
   3,658.54x = 5,488.71 × 1,061.48
4. Step 4: Simplify right side
   3,658.54x = 5,826,123.14
5. Step 5: Solve for x
   x = 5,826,123.14/3,658.54
6. Step 6: Final answer
   x = 1,592.47