Finding the Fourth Proportional to 1,433.26, 2,150.34 and 994.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.26 : 2,150.34 = 994.94 : x
2. Step 2: Convert to fraction form
   1,433.26/2,150.34 = 994.94/x
3. Step 3: Cross multiply
   1,433.26x = 2,150.34 × 994.94
4. Step 4: Simplify right side
   1,433.26x = 2,139,443.55
5. Step 5: Solve for x
   x = 2,139,443.55/1,433.26
6. Step 6: Final answer
   x = 1,492.72