Finding the Fourth Proportional to 3,658.77, 5,488.69 and 1,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.77 : 5,488.69 = 1,061.37 : x
2. Step 2: Convert to fraction form
   3,658.77/5,488.69 = 1,061.37/x
3. Step 3: Cross multiply
   3,658.77x = 5,488.69 × 1,061.37
4. Step 4: Simplify right side
   3,658.77x = 5,825,530.91
5. Step 5: Solve for x
   x = 5,825,530.91/3,658.77
6. Step 6: Final answer
   x = 1,592.21