Finding the Fourth Proportional to 13,320.68, 19,983.27 and 5,530.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320.68 : 19,983.27 = 5,530.10 : x
2. Step 2: Convert to fraction form
   13,320.68/19,983.27 = 5,530.10/x
3. Step 3: Cross multiply
   13,320.68x = 19,983.27 × 5,530.10
4. Step 4: Simplify right side
   13,320.68x = 110,509,481.43
5. Step 5: Solve for x
   x = 110,509,481.43/13,320.68
6. Step 6: Final answer
   x = 8,296.08