Finding the Fourth Proportional to 2,726.72, 4,090.09 and 752.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.72 : 4,090.09 = 752.38 : x
2. Step 2: Convert to fraction form
   2,726.72/4,090.09 = 752.38/x
3. Step 3: Cross multiply
   2,726.72x = 4,090.09 × 752.38
4. Step 4: Simplify right side
   2,726.72x = 3,077,310.82
5. Step 5: Solve for x
   x = 3,077,310.82/2,726.72
6. Step 6: Final answer
   x = 1,128.58