Finding the Fourth Proportional to 2,065.72, 3,098.86 and 749.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.72 : 3,098.86 = 749.58 : x
2. Step 2: Convert to fraction form
   2,065.72/3,098.86 = 749.58/x
3. Step 3: Cross multiply
   2,065.72x = 3,098.86 × 749.58
4. Step 4: Simplify right side
   2,065.72x = 2,322,843.48
5. Step 5: Solve for x
   x = 2,322,843.48/2,065.72
6. Step 6: Final answer
   x = 1,124.47