Finding the Fourth Proportional to 1,833.59, 2,530.34 and 994.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,833.59 : 2,530.34 = 994.28 : x
2. Step 2: Convert to fraction form
   1,833.59/2,530.34 = 994.28/x
3. Step 3: Cross multiply
   1,833.59x = 2,530.34 × 994.28
4. Step 4: Simplify right side
   1,833.59x = 2,515,872.78
5. Step 5: Solve for x
   x = 2,515,872.78/1,833.59
6. Step 6: Final answer
   x = 1,372.10