Finding the Fourth Proportional to 1,874.61, 2,586.89 and 1,035.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.61 : 2,586.89 = 1,035.38 : x
2. Step 2: Convert to fraction form
   1,874.61/2,586.89 = 1,035.38/x
3. Step 3: Cross multiply
   1,874.61x = 2,586.89 × 1,035.38
4. Step 4: Simplify right side
   1,874.61x = 2,678,423.22
5. Step 5: Solve for x
   x = 2,678,423.22/1,874.61
6. Step 6: Final answer
   x = 1,428.79