Finding the Fourth Proportional to 2,665.57, 4,000.18 and 934.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.57 : 4,000.18 = 934.19 : x
2. Step 2: Convert to fraction form
   2,665.57/4,000.18 = 934.19/x
3. Step 3: Cross multiply
   2,665.57x = 4,000.18 × 934.19
4. Step 4: Simplify right side
   2,665.57x = 3,736,928.15
5. Step 5: Solve for x
   x = 3,736,928.15/2,665.57
6. Step 6: Final answer
   x = 1,401.93