Finding the Fourth Proportional to 1,038,317, 1,432,877.46 and 561,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,317 : 1,432,877.46 = 561,389 : x
2. Step 2: Convert to fraction form
   1,038,317/1,432,877.46 = 561,389/x
3. Step 3: Cross multiply
   1,038,317x = 1,432,877.46 × 561,389
4. Step 4: Simplify right side
   1,038,317x = 804,401,644,391.94
5. Step 5: Solve for x
   x = 804,401,644,391.94/1,038,317
6. Step 6: Final answer
   x = 774,716.82