Finding the Fourth Proportional to 12,649.72, 17,455.98 and 7,059.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,649.72 : 17,455.98 = 7,059.64 : x
2. Step 2: Convert to fraction form
   12,649.72/17,455.98 = 7,059.64/x
3. Step 3: Cross multiply
   12,649.72x = 17,455.98 × 7,059.64
4. Step 4: Simplify right side
   12,649.72x = 123,232,934.65
5. Step 5: Solve for x
   x = 123,232,934.65/12,649.72
6. Step 6: Final answer
   x = 9,741.95