Finding the Fourth Proportional to 1,658.55, 2,288.39 and 1,068.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.55 : 2,288.39 = 1,068.38 : x
2. Step 2: Convert to fraction form
   1,658.55/2,288.39 = 1,068.38/x
3. Step 3: Cross multiply
   1,658.55x = 2,288.39 × 1,068.38
4. Step 4: Simplify right side
   1,658.55x = 2,444,853.32
5. Step 5: Solve for x
   x = 2,444,853.32/1,658.55
6. Step 6: Final answer
   x = 1,474.09