Finding the Fourth Proportional to 1,831.86, 2,528.01 and 1,045.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.86 : 2,528.01 = 1,045.98 : x
2. Step 2: Convert to fraction form
   1,831.86/2,528.01 = 1,045.98/x
3. Step 3: Cross multiply
   1,831.86x = 2,528.01 × 1,045.98
4. Step 4: Simplify right side
   1,831.86x = 2,644,247.90
5. Step 5: Solve for x
   x = 2,644,247.90/1,831.86
6. Step 6: Final answer
   x = 1,443.48