Finding the Fourth Proportional to 12,524.52, 17,282.38 and 7,219.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,524.52 : 17,282.38 = 7,219.30 : x
2. Step 2: Convert to fraction form
   12,524.52/17,282.38 = 7,219.30/x
3. Step 3: Cross multiply
   12,524.52x = 17,282.38 × 7,219.30
4. Step 4: Simplify right side
   12,524.52x = 124,766,685.93
5. Step 5: Solve for x
   x = 124,766,685.93/12,524.52
6. Step 6: Final answer
   x = 9,961.79