Finding the Fourth Proportional to 1,234.83, 1,703.59 and 919.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.83 : 1,703.59 = 919.54 : x
2. Step 2: Convert to fraction form
   1,234.83/1,703.59 = 919.54/x
3. Step 3: Cross multiply
   1,234.83x = 1,703.59 × 919.54
4. Step 4: Simplify right side
   1,234.83x = 1,566,519.15
5. Step 5: Solve for x
   x = 1,566,519.15/1,234.83
6. Step 6: Final answer
   x = 1,268.61