Finding the Fourth Proportional to 1,831.86, 2,527.83 and 1,045.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.86 : 2,527.83 = 1,045.89 : x
2. Step 2: Convert to fraction form
   1,831.86/2,527.83 = 1,045.89/x
3. Step 3: Cross multiply
   1,831.86x = 2,527.83 × 1,045.89
4. Step 4: Simplify right side
   1,831.86x = 2,643,832.12
5. Step 5: Solve for x
   x = 2,643,832.12/1,831.86
6. Step 6: Final answer
   x = 1,443.25