Finding the Fourth Proportional to 1,833.91, 2,530.78 and 994.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,833.91 : 2,530.78 = 994.59 : x
2. Step 2: Convert to fraction form
   1,833.91/2,530.78 = 994.59/x
3. Step 3: Cross multiply
   1,833.91x = 2,530.78 × 994.59
4. Step 4: Simplify right side
   1,833.91x = 2,517,083.51
5. Step 5: Solve for x
   x = 2,517,083.51/1,833.91
6. Step 6: Final answer
   x = 1,372.53