Finding the Fourth Proportional to 3,658.52, 5,488.31 and 1,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.52 : 5,488.31 = 1,061.12 : x
2. Step 2: Convert to fraction form
   3,658.52/5,488.31 = 1,061.12/x
3. Step 3: Cross multiply
   3,658.52x = 5,488.31 × 1,061.12
4. Step 4: Simplify right side
   3,658.52x = 5,823,730.72
5. Step 5: Solve for x
   x = 5,823,730.72/3,658.52
6. Step 6: Final answer
   x = 1,591.83