Finding the Fourth Proportional to 9,900.01, 13,660.98 and 5,650.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.01 : 13,660.98 = 5,650.75 : x
2. Step 2: Convert to fraction form
   9,900.01/13,660.98 = 5,650.75/x
3. Step 3: Cross multiply
   9,900.01x = 13,660.98 × 5,650.75
4. Step 4: Simplify right side
   9,900.01x = 77,194,782.74
5. Step 5: Solve for x
   x = 77,194,782.74/9,900.01
6. Step 6: Final answer
   x = 7,797.44