Finding the Fourth Proportional to 12,824.48, 17,697.76 and 7,235.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,824.48 : 17,697.76 = 7,235.52 : x
2. Step 2: Convert to fraction form
   12,824.48/17,697.76 = 7,235.52/x
3. Step 3: Cross multiply
   12,824.48x = 17,697.76 × 7,235.52
4. Step 4: Simplify right side
   12,824.48x = 128,052,496.44
5. Step 5: Solve for x
   x = 128,052,496.44/12,824.48
6. Step 6: Final answer
   x = 9,985.00