Finding the Fourth Proportional to 12,652.54, 17,455.62 and 7,618.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,652.54 : 17,455.62 = 7,618.12 : x
2. Step 2: Convert to fraction form
   12,652.54/17,455.62 = 7,618.12/x
3. Step 3: Cross multiply
   12,652.54x = 17,455.62 × 7,618.12
4. Step 4: Simplify right side
   12,652.54x = 132,979,007.83
5. Step 5: Solve for x
   x = 132,979,007.83/12,652.54
6. Step 6: Final answer
   x = 10,510.06