Finding the Fourth Proportional to 9,899.02, 13,660.87 and 5,650.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.02 : 13,660.87 = 5,650.00 : x
2. Step 2: Convert to fraction form
   9,899.02/13,660.87 = 5,650.00/x
3. Step 3: Cross multiply
   9,899.02x = 13,660.87 × 5,650.00
4. Step 4: Simplify right side
   9,899.02x = 77,183,818.95
5. Step 5: Solve for x
   x = 77,183,818.95/9,899.02
6. Step 6: Final answer
   x = 7,797.12