Finding the Fourth Proportional to 1,834.18, 2,531.17 and 994.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.18 : 2,531.17 = 994.89 : x
2. Step 2: Convert to fraction form
   1,834.18/2,531.17 = 994.89/x
3. Step 3: Cross multiply
   1,834.18x = 2,531.17 × 994.89
4. Step 4: Simplify right side
   1,834.18x = 2,518,223.07
5. Step 5: Solve for x
   x = 2,518,223.07/1,834.18
6. Step 6: Final answer
   x = 1,372.94