Finding the Fourth Proportional to 12,519.89, 17,276.62 and 7,486.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,519.89 : 17,276.62 = 7,486.37 : x
2. Step 2: Convert to fraction form
   12,519.89/17,276.62 = 7,486.37/x
3. Step 3: Cross multiply
   12,519.89x = 17,276.62 × 7,486.37
4. Step 4: Simplify right side
   12,519.89x = 129,339,219.52
5. Step 5: Solve for x
   x = 129,339,219.52/12,519.89
6. Step 6: Final answer
   x = 10,330.70