Finding the Fourth Proportional to 14,661.50, 21,989.94 and 4,800.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,661.50 : 21,989.94 = 4,800.56 : x
2. Step 2: Convert to fraction form
   14,661.50/21,989.94 = 4,800.56/x
3. Step 3: Cross multiply
   14,661.50x = 21,989.94 × 4,800.56
4. Step 4: Simplify right side
   14,661.50x = 105,564,026.37
5. Step 5: Solve for x
   x = 105,564,026.37/14,661.50
6. Step 6: Final answer
   x = 7,200.08