Finding the Fourth Proportional to 1,540.29, 2,124.81 and 950.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.29 : 2,124.81 = 950.43 : x
2. Step 2: Convert to fraction form
   1,540.29/2,124.81 = 950.43/x
3. Step 3: Cross multiply
   1,540.29x = 2,124.81 × 950.43
4. Step 4: Simplify right side
   1,540.29x = 2,019,483.17
5. Step 5: Solve for x
   x = 2,019,483.17/1,540.29
6. Step 6: Final answer
   x = 1,311.11