Finding the Fourth Proportional to 12,651.92, 17,459.40 and 7,062.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.92 : 17,459.40 = 7,062.80 : x
2. Step 2: Convert to fraction form
   12,651.92/17,459.40 = 7,062.80/x
3. Step 3: Cross multiply
   12,651.92x = 17,459.40 × 7,062.80
4. Step 4: Simplify right side
   12,651.92x = 123,312,250.32
5. Step 5: Solve for x
   x = 123,312,250.32/12,651.92
6. Step 6: Final answer
   x = 9,746.52