Finding the Fourth Proportional to 10,820.52, 16,224.21 and 4,238.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.52 : 16,224.21 = 4,238.82 : x
2. Step 2: Convert to fraction form
   10,820.52/16,224.21 = 4,238.82/x
3. Step 3: Cross multiply
   10,820.52x = 16,224.21 × 4,238.82
4. Step 4: Simplify right side
   10,820.52x = 68,771,505.83
5. Step 5: Solve for x
   x = 68,771,505.83/10,820.52
6. Step 6: Final answer
   x = 6,355.66