Finding the Fourth Proportional to 1,314,648.28, 1,814,214.72 and 711,036.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,648.28 : 1,814,214.72 = 711,036.28 : x
2. Step 2: Convert to fraction form
   1,314,648.28/1,814,214.72 = 711,036.28/x
3. Step 3: Cross multiply
   1,314,648.28x = 1,814,214.72 × 711,036.28
4. Step 4: Simplify right side
   1,314,648.28x = 1,289,972,485,630.04
5. Step 5: Solve for x
   x = 1,289,972,485,630.04/1,314,648.28
6. Step 6: Final answer
   x = 981,230.12