Finding the Fourth Proportional to 2,562.61, 3,844.25 and 919.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.61 : 3,844.25 = 919.34 : x
2. Step 2: Convert to fraction form
   2,562.61/3,844.25 = 919.34/x
3. Step 3: Cross multiply
   2,562.61x = 3,844.25 × 919.34
4. Step 4: Simplify right side
   2,562.61x = 3,534,172.80
5. Step 5: Solve for x
   x = 3,534,172.80/2,562.61
6. Step 6: Final answer
   x = 1,379.13