Finding the Fourth Proportional to 9,900.38, 13,663.06 and 5,650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.38 : 13,663.06 = 5,650.56 : x
2. Step 2: Convert to fraction form
   9,900.38/13,663.06 = 5,650.56/x
3. Step 3: Cross multiply
   9,900.38x = 13,663.06 × 5,650.56
4. Step 4: Simplify right side
   9,900.38x = 77,203,957.97
5. Step 5: Solve for x
   x = 77,203,957.97/9,900.38
6. Step 6: Final answer
   x = 7,798.08