Finding the Fourth Proportional to 12,300.24, 18,452.72 and 5,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.24 : 18,452.72 = 5,279.25 : x
2. Step 2: Convert to fraction form
   12,300.24/18,452.72 = 5,279.25/x
3. Step 3: Cross multiply
   12,300.24x = 18,452.72 × 5,279.25
4. Step 4: Simplify right side
   12,300.24x = 97,416,522.06
5. Step 5: Solve for x
   x = 97,416,522.06/12,300.24
6. Step 6: Final answer
   x = 7,919.89