Finding the Fourth Proportional to 2,502.74, 3,754.64 and 942.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.74 : 3,754.64 = 942.72 : x
2. Step 2: Convert to fraction form
   2,502.74/3,754.64 = 942.72/x
3. Step 3: Cross multiply
   2,502.74x = 3,754.64 × 942.72
4. Step 4: Simplify right side
   2,502.74x = 3,539,574.22
5. Step 5: Solve for x
   x = 3,539,574.22/2,502.74
6. Step 6: Final answer
   x = 1,414.28