Finding the Fourth Proportional to 2,782.71, 4,174.55 and 934.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.71 : 4,174.55 = 934.01 : x
2. Step 2: Convert to fraction form
   2,782.71/4,174.55 = 934.01/x
3. Step 3: Cross multiply
   2,782.71x = 4,174.55 × 934.01
4. Step 4: Simplify right side
   2,782.71x = 3,899,071.45
5. Step 5: Solve for x
   x = 3,899,071.45/2,782.71
6. Step 6: Final answer
   x = 1,401.18