Finding the Fourth Proportional to 861,078.16, 1,290,973.83 and 594,076.78

Step by Step Solution

1. Step 1: Write the proportion equation
   861,078.16 : 1,290,973.83 = 594,076.78 : x
2. Step 2: Convert to fraction form
   861,078.16/1,290,973.83 = 594,076.78/x
3. Step 3: Cross multiply
   861,078.16x = 1,290,973.83 × 594,076.78
4. Step 4: Simplify right side
   861,078.16x = 766,937,575,990.67
5. Step 5: Solve for x
   x = 766,937,575,990.67/861,078.16
6. Step 6: Final answer
   x = 890,671.27