Finding the Fourth Proportional to 2,046.56, 3,070.14 and 747.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.56 : 3,070.14 = 747.72 : x
2. Step 2: Convert to fraction form
   2,046.56/3,070.14 = 747.72/x
3. Step 3: Cross multiply
   2,046.56x = 3,070.14 × 747.72
4. Step 4: Simplify right side
   2,046.56x = 2,295,601.34
5. Step 5: Solve for x
   x = 2,295,601.34/2,046.56
6. Step 6: Final answer
   x = 1,121.69