Finding the Fourth Proportional to 2,045.57, 3,068.76 and 746.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.57 : 3,068.76 = 746.87 : x
2. Step 2: Convert to fraction form
   2,045.57/3,068.76 = 746.87/x
3. Step 3: Cross multiply
   2,045.57x = 3,068.76 × 746.87
4. Step 4: Simplify right side
   2,045.57x = 2,291,964.78
5. Step 5: Solve for x
   x = 2,291,964.78/2,045.57
6. Step 6: Final answer
   x = 1,120.45