Finding the Fourth Proportional to 12,484.05, 17,223.80 and 7,768.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,484.05 : 17,223.80 = 7,768.02 : x
2. Step 2: Convert to fraction form
   12,484.05/17,223.80 = 7,768.02/x
3. Step 3: Cross multiply
   12,484.05x = 17,223.80 × 7,768.02
4. Step 4: Simplify right side
   12,484.05x = 133,794,822.88
5. Step 5: Solve for x
   x = 133,794,822.88/12,484.05
6. Step 6: Final answer
   x = 10,717.26