Finding the Fourth Proportional to 1,039,348, 1,434,304.56 and 562,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,348 : 1,434,304.56 = 562,420 : x
2. Step 2: Convert to fraction form
   1,039,348/1,434,304.56 = 562,420/x
3. Step 3: Cross multiply
   1,039,348x = 1,434,304.56 × 562,420
4. Step 4: Simplify right side
   1,039,348x = 806,681,570,635.20
5. Step 5: Solve for x
   x = 806,681,570,635.20/1,039,348
6. Step 6: Final answer
   x = 776,141.94