Finding the Fourth Proportional to 1,550.86, 2,327.04 and 770.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.86 : 2,327.04 = 770.94 : x
2. Step 2: Convert to fraction form
   1,550.86/2,327.04 = 770.94/x
3. Step 3: Cross multiply
   1,550.86x = 2,327.04 × 770.94
4. Step 4: Simplify right side
   1,550.86x = 1,794,008.22
5. Step 5: Solve for x
   x = 1,794,008.22/1,550.86
6. Step 6: Final answer
   x = 1,156.78