Finding the Fourth Proportional to 10,388.24, 14,336.01 and 5,672.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.24 : 14,336.01 = 5,672.55 : x
2. Step 2: Convert to fraction form
   10,388.24/14,336.01 = 5,672.55/x
3. Step 3: Cross multiply
   10,388.24x = 14,336.01 × 5,672.55
4. Step 4: Simplify right side
   10,388.24x = 81,321,733.53
5. Step 5: Solve for x
   x = 81,321,733.53/10,388.24
6. Step 6: Final answer
   x = 7,828.25