Finding the Fourth Proportional to 12,651.76, 17,460.12 and 7,062.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.76 : 17,460.12 = 7,062.64 : x
2. Step 2: Convert to fraction form
   12,651.76/17,460.12 = 7,062.64/x
3. Step 3: Cross multiply
   12,651.76x = 17,460.12 × 7,062.64
4. Step 4: Simplify right side
   12,651.76x = 123,314,541.92
5. Step 5: Solve for x
   x = 123,314,541.92/12,651.76
6. Step 6: Final answer
   x = 9,746.83