Finding the Fourth Proportional to 12,520.50, 17,276.59 and 7,483.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520.50 : 17,276.59 = 7,483.65 : x
2. Step 2: Convert to fraction form
   12,520.50/17,276.59 = 7,483.65/x
3. Step 3: Cross multiply
   12,520.50x = 17,276.59 × 7,483.65
4. Step 4: Simplify right side
   12,520.50x = 129,291,952.75
5. Step 5: Solve for x
   x = 129,291,952.75/12,520.50
6. Step 6: Final answer
   x = 10,326.42