Finding the Fourth Proportional to 12,520.06, 17,276.50 and 7,483.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520.06 : 17,276.50 = 7,483.28 : x
2. Step 2: Convert to fraction form
   12,520.06/17,276.50 = 7,483.28/x
3. Step 3: Cross multiply
   12,520.06x = 17,276.50 × 7,483.28
4. Step 4: Simplify right side
   12,520.06x = 129,284,809.89
5. Step 5: Solve for x
   x = 129,284,809.89/12,520.06
6. Step 6: Final answer
   x = 10,326.22