Finding the Fourth Proportional to 1,002,782.79, 1,383,859.15 and 615,404.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,782.79 : 1,383,859.15 = 615,404.44 : x
2. Step 2: Convert to fraction form
   1,002,782.79/1,383,859.15 = 615,404.44/x
3. Step 3: Cross multiply
   1,002,782.79x = 1,383,859.15 × 615,404.44
4. Step 4: Simplify right side
   1,002,782.79x = 851,633,065,435.94
5. Step 5: Solve for x
   x = 851,633,065,435.94/1,002,782.79
6. Step 6: Final answer
   x = 849,269.73