Finding the Fourth Proportional to 14,196.60, 21,281.34 and 5,309.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.60 : 21,281.34 = 5,309.52 : x
2. Step 2: Convert to fraction form
   14,196.60/21,281.34 = 5,309.52/x
3. Step 3: Cross multiply
   14,196.60x = 21,281.34 × 5,309.52
4. Step 4: Simplify right side
   14,196.60x = 112,993,660.45
5. Step 5: Solve for x
   x = 112,993,660.45/14,196.60
6. Step 6: Final answer
   x = 7,959.21