Finding the Fourth Proportional to 839,294, 1,157,878.88 and 584,792.72

Step by Step Solution

1. Step 1: Write the proportion equation
   839,294 : 1,157,878.88 = 584,792.72 : x
2. Step 2: Convert to fraction form
   839,294/1,157,878.88 = 584,792.72/x
3. Step 3: Cross multiply
   839,294x = 1,157,878.88 × 584,792.72
4. Step 4: Simplify right side
   839,294x = 677,119,139,665.75
5. Step 5: Solve for x
   x = 677,119,139,665.75/839,294
6. Step 6: Final answer
   x = 806,772.29