Finding the Fourth Proportional to 9,052.75, 12,492.83 and 5,278.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052.75 : 12,492.83 = 5,278.52 : x
2. Step 2: Convert to fraction form
   9,052.75/12,492.83 = 5,278.52/x
3. Step 3: Cross multiply
   9,052.75x = 12,492.83 × 5,278.52
4. Step 4: Simplify right side
   9,052.75x = 65,943,653.01
5. Step 5: Solve for x
   x = 65,943,653.01/9,052.75
6. Step 6: Final answer
   x = 7,284.38