Finding the Fourth Proportional to 2,054.72, 3,079.52 and 754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.72 : 3,079.52 = 754.72 : x
2. Step 2: Convert to fraction form
   2,054.72/3,079.52 = 754.72/x
3. Step 3: Cross multiply
   2,054.72x = 3,079.52 × 754.72
4. Step 4: Simplify right side
   2,054.72x = 2,324,175.33
5. Step 5: Solve for x
   x = 2,324,175.33/2,054.72
6. Step 6: Final answer
   x = 1,131.14