Finding the Fourth Proportional to 1,061.25, 1,592.28 and 484.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.25 : 1,592.28 = 484.53 : x
2. Step 2: Convert to fraction form
   1,061.25/1,592.28 = 484.53/x
3. Step 3: Cross multiply
   1,061.25x = 1,592.28 × 484.53
4. Step 4: Simplify right side
   1,061.25x = 771,507.43
5. Step 5: Solve for x
   x = 771,507.43/1,061.25
6. Step 6: Final answer
   x = 726.98