Finding the Fourth Proportional to 934.37, 1,401.72 and 762.56

Step by Step Solution

1. Step 1: Write the proportion equation
   934.37 : 1,401.72 = 762.56 : x
2. Step 2: Convert to fraction form
   934.37/1,401.72 = 762.56/x
3. Step 3: Cross multiply
   934.37x = 1,401.72 × 762.56
4. Step 4: Simplify right side
   934.37x = 1,068,895.60
5. Step 5: Solve for x
   x = 1,068,895.60/934.37
6. Step 6: Final answer
   x = 1,143.97