Finding the Fourth Proportional to 12,651.57, 17,460.72 and 7,618.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,651.57 : 17,460.72 = 7,618.41 : x
2. Step 2: Convert to fraction form
   12,651.57/17,460.72 = 7,618.41/x
3. Step 3: Cross multiply
   12,651.57x = 17,460.72 × 7,618.41
4. Step 4: Simplify right side
   12,651.57x = 133,022,923.86
5. Step 5: Solve for x
   x = 133,022,923.86/12,651.57
6. Step 6: Final answer
   x = 10,514.34