Finding the Fourth Proportional to 11,644.04, 16,066.34 and 7,616.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,644.04 : 16,066.34 = 7,616.76 : x
2. Step 2: Convert to fraction form
   11,644.04/16,066.34 = 7,616.76/x
3. Step 3: Cross multiply
   11,644.04x = 16,066.34 × 7,616.76
4. Step 4: Simplify right side
   11,644.04x = 122,373,417.77
5. Step 5: Solve for x
   x = 122,373,417.77/11,644.04
6. Step 6: Final answer
   x = 10,509.54