Finding the Fourth Proportional to 13,650.56, 20,467.52 and 5,320.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,650.56 : 20,467.52 = 5,320.82 : x
2. Step 2: Convert to fraction form
   13,650.56/20,467.52 = 5,320.82/x
3. Step 3: Cross multiply
   13,650.56x = 20,467.52 × 5,320.82
4. Step 4: Simplify right side
   13,650.56x = 108,903,989.77
5. Step 5: Solve for x
   x = 108,903,989.77/13,650.56
6. Step 6: Final answer
   x = 7,977.99