Finding the Fourth Proportional to 12,648.96, 17,455.50 and 7,059.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.96 : 17,455.50 = 7,059.96 : x
2. Step 2: Convert to fraction form
   12,648.96/17,455.50 = 7,059.96/x
3. Step 3: Cross multiply
   12,648.96x = 17,455.50 × 7,059.96
4. Step 4: Simplify right side
   12,648.96x = 123,235,131.78
5. Step 5: Solve for x
   x = 123,235,131.78/12,648.96
6. Step 6: Final answer
   x = 9,742.71