Finding the Fourth Proportional to 2,045.85, 3,069.17 and 747.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.85 : 3,069.17 = 747.42 : x
2. Step 2: Convert to fraction form
   2,045.85/3,069.17 = 747.42/x
3. Step 3: Cross multiply
   2,045.85x = 3,069.17 × 747.42
4. Step 4: Simplify right side
   2,045.85x = 2,293,959.04
5. Step 5: Solve for x
   x = 2,293,959.04/2,045.85
6. Step 6: Final answer
   x = 1,121.27