Finding the Fourth Proportional to 1,892.52, 2,831.18 and 1,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.52 : 2,831.18 = 1,345 : x
2. Step 2: Convert to fraction form
   1,892.52/2,831.18 = 1,345/x
3. Step 3: Cross multiply
   1,892.52x = 2,831.18 × 1,345
4. Step 4: Simplify right side
   1,892.52x = 3,807,937.10
5. Step 5: Solve for x
   x = 3,807,937.10/1,892.52
6. Step 6: Final answer
   x = 2,012.10