Finding the Fourth Proportional to 1,831.30, 2,527.34 and 1,045.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.30 : 2,527.34 = 1,045.33 : x
2. Step 2: Convert to fraction form
   1,831.30/2,527.34 = 1,045.33/x
3. Step 3: Cross multiply
   1,831.30x = 2,527.34 × 1,045.33
4. Step 4: Simplify right side
   1,831.30x = 2,641,892.78
5. Step 5: Solve for x
   x = 2,641,892.78/1,831.30
6. Step 6: Final answer
   x = 1,442.63