Finding the Fourth Proportional to 12,652.21, 17,464.71 and 7,616.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,652.21 : 17,464.71 = 7,616.67 : x
2. Step 2: Convert to fraction form
   12,652.21/17,464.71 = 7,616.67/x
3. Step 3: Cross multiply
   12,652.21x = 17,464.71 × 7,616.67
4. Step 4: Simplify right side
   12,652.21x = 133,022,932.72
5. Step 5: Solve for x
   x = 133,022,932.72/12,652.21
6. Step 6: Final answer
   x = 10,513.81