Finding the Fourth Proportional to 2,046.69, 3,070.49 and 748.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.69 : 3,070.49 = 748.13 : x
2. Step 2: Convert to fraction form
   2,046.69/3,070.49 = 748.13/x
3. Step 3: Cross multiply
   2,046.69x = 3,070.49 × 748.13
4. Step 4: Simplify right side
   2,046.69x = 2,297,106.59
5. Step 5: Solve for x
   x = 2,297,106.59/2,046.69
6. Step 6: Final answer
   x = 1,122.35