Finding the Fourth Proportional to 1,062.24, 1,592.84 and 484.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.24 : 1,592.84 = 484.72 : x
2. Step 2: Convert to fraction form
   1,062.24/1,592.84 = 484.72/x
3. Step 3: Cross multiply
   1,062.24x = 1,592.84 × 484.72
4. Step 4: Simplify right side
   1,062.24x = 772,081.40
5. Step 5: Solve for x
   x = 772,081.40/1,062.24
6. Step 6: Final answer
   x = 726.84