Finding the Fourth Proportional to 1,825,086.72, 2,518,224 and 1,020,243.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825,086.72 : 2,518,224 = 1,020,243.20 : x
2. Step 2: Convert to fraction form
   1,825,086.72/2,518,224 = 1,020,243.20/x
3. Step 3: Cross multiply
   1,825,086.72x = 2,518,224 × 1,020,243.20
4. Step 4: Simplify right side
   1,825,086.72x = 2,569,200,912,076.80
5. Step 5: Solve for x
   x = 2,569,200,912,076.80/1,825,086.72
6. Step 6: Final answer
   x = 1,407,714.43