Finding the Fourth Proportional to 2,251.72, 3,376.34 and 935.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.72 : 3,376.34 = 935.10 : x
2. Step 2: Convert to fraction form
   2,251.72/3,376.34 = 935.10/x
3. Step 3: Cross multiply
   2,251.72x = 3,376.34 × 935.10
4. Step 4: Simplify right side
   2,251.72x = 3,157,215.53
5. Step 5: Solve for x
   x = 3,157,215.53/2,251.72
6. Step 6: Final answer
   x = 1,402.14