Finding the Fourth Proportional to 1,578.89, 2,368.18 and 483.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578.89 : 2,368.18 = 483.27 : x
2. Step 2: Convert to fraction form
   1,578.89/2,368.18 = 483.27/x
3. Step 3: Cross multiply
   1,578.89x = 2,368.18 × 483.27
4. Step 4: Simplify right side
   1,578.89x = 1,144,462.07
5. Step 5: Solve for x
   x = 1,144,462.07/1,578.89
6. Step 6: Final answer
   x = 724.85