Finding the Fourth Proportional to 2,240.97, 3,091.74 and 1,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.97 : 3,091.74 = 1,402.72 : x
2. Step 2: Convert to fraction form
   2,240.97/3,091.74 = 1,402.72/x
3. Step 3: Cross multiply
   2,240.97x = 3,091.74 × 1,402.72
4. Step 4: Simplify right side
   2,240.97x = 4,336,832.54
5. Step 5: Solve for x
   x = 4,336,832.54/2,240.97
6. Step 6: Final answer
   x = 1,935.25