Finding the Fourth Proportional to 1,517.31, 2,094.41 and 919.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.31 : 2,094.41 = 919.83 : x
2. Step 2: Convert to fraction form
   1,517.31/2,094.41 = 919.83/x
3. Step 3: Cross multiply
   1,517.31x = 2,094.41 × 919.83
4. Step 4: Simplify right side
   1,517.31x = 1,926,496.55
5. Step 5: Solve for x
   x = 1,926,496.55/1,517.31
6. Step 6: Final answer
   x = 1,269.68