Finding the Fourth Proportional to 14,315.42, 21,480.81 and 6,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,315.42 : 21,480.81 = 6,105.50 : x
2. Step 2: Convert to fraction form
   14,315.42/21,480.81 = 6,105.50/x
3. Step 3: Cross multiply
   14,315.42x = 21,480.81 × 6,105.50
4. Step 4: Simplify right side
   14,315.42x = 131,151,085.46
5. Step 5: Solve for x
   x = 131,151,085.46/14,315.42
6. Step 6: Final answer
   x = 9,161.53