Finding the Fourth Proportional to 1,479.24, 2,214.72 and 747.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.24 : 2,214.72 = 747.27 : x
2. Step 2: Convert to fraction form
   1,479.24/2,214.72 = 747.27/x
3. Step 3: Cross multiply
   1,479.24x = 2,214.72 × 747.27
4. Step 4: Simplify right side
   1,479.24x = 1,654,993.81
5. Step 5: Solve for x
   x = 1,654,993.81/1,479.24
6. Step 6: Final answer
   x = 1,118.81