Finding the Fourth Proportional to 1,358.61, 1,874.86 and 737.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.61 : 1,874.86 = 737.61 : x
2. Step 2: Convert to fraction form
   1,358.61/1,874.86 = 737.61/x
3. Step 3: Cross multiply
   1,358.61x = 1,874.86 × 737.61
4. Step 4: Simplify right side
   1,358.61x = 1,382,902.42
5. Step 5: Solve for x
   x = 1,382,902.42/1,358.61
6. Step 6: Final answer
   x = 1,017.88