Finding the Fourth Proportional to 2,046.79, 3,070.59 and 748.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.79 : 3,070.59 = 748.23 : x
2. Step 2: Convert to fraction form
   2,046.79/3,070.59 = 748.23/x
3. Step 3: Cross multiply
   2,046.79x = 3,070.59 × 748.23
4. Step 4: Simplify right side
   2,046.79x = 2,297,507.56
5. Step 5: Solve for x
   x = 2,297,507.56/2,046.79
6. Step 6: Final answer
   x = 1,122.49