Finding the Fourth Proportional to 9,144, 12,618.72 and 4,952.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144 : 12,618.72 = 4,952.25 : x
2. Step 2: Convert to fraction form
   9,144/12,618.72 = 4,952.25/x
3. Step 3: Cross multiply
   9,144x = 12,618.72 × 4,952.25
4. Step 4: Simplify right side
   9,144x = 62,491,056.12
5. Step 5: Solve for x
   x = 62,491,056.12/9,144
6. Step 6: Final answer
   x = 6,834.11