Finding the Fourth Proportional to 2,048.91, 3,070.67 and 749.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.91 : 3,070.67 = 749.13 : x
2. Step 2: Convert to fraction form
   2,048.91/3,070.67 = 749.13/x
3. Step 3: Cross multiply
   2,048.91x = 3,070.67 × 749.13
4. Step 4: Simplify right side
   2,048.91x = 2,300,327.27
5. Step 5: Solve for x
   x = 2,300,327.27/2,048.91
6. Step 6: Final answer
   x = 1,122.71