Finding the Fourth Proportional to 2,268.72, 3,402.24 and 807.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.72 : 3,402.24 = 807.48 : x
2. Step 2: Convert to fraction form
   2,268.72/3,402.24 = 807.48/x
3. Step 3: Cross multiply
   2,268.72x = 3,402.24 × 807.48
4. Step 4: Simplify right side
   2,268.72x = 2,747,240.76
5. Step 5: Solve for x
   x = 2,747,240.76/2,268.72
6. Step 6: Final answer
   x = 1,210.92