Finding the Fourth Proportional to 1,566.27, 2,348.72 and 744.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.27 : 2,348.72 = 744.78 : x
2. Step 2: Convert to fraction form
   1,566.27/2,348.72 = 744.78/x
3. Step 3: Cross multiply
   1,566.27x = 2,348.72 × 744.78
4. Step 4: Simplify right side
   1,566.27x = 1,749,279.68
5. Step 5: Solve for x
   x = 1,749,279.68/1,566.27
6. Step 6: Final answer
   x = 1,116.84