Finding the Fourth Proportional to 2,240.72, 3,092.21 and 1,296.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.72 : 3,092.21 = 1,296.51 : x
2. Step 2: Convert to fraction form
   2,240.72/3,092.21 = 1,296.51/x
3. Step 3: Cross multiply
   2,240.72x = 3,092.21 × 1,296.51
4. Step 4: Simplify right side
   2,240.72x = 4,009,081.19
5. Step 5: Solve for x
   x = 4,009,081.19/2,240.72
6. Step 6: Final answer
   x = 1,789.19