Finding the Fourth Proportional to 12,482.60, 17,223 and 7,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,482.60 : 17,223 = 7,448.72 : x
2. Step 2: Convert to fraction form
   12,482.60/17,223 = 7,448.72/x
3. Step 3: Cross multiply
   12,482.60x = 17,223 × 7,448.72
4. Step 4: Simplify right side
   12,482.60x = 128,289,304.56
5. Step 5: Solve for x
   x = 128,289,304.56/12,482.60
6. Step 6: Final answer
   x = 10,277.45