Finding the Fourth Proportional to 14,978.70, 22,471.51 and 4,448.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978.70 : 22,471.51 = 4,448.49 : x
2. Step 2: Convert to fraction form
   14,978.70/22,471.51 = 4,448.49/x
3. Step 3: Cross multiply
   14,978.70x = 22,471.51 × 4,448.49
4. Step 4: Simplify right side
   14,978.70x = 99,964,152.92
5. Step 5: Solve for x
   x = 99,964,152.92/14,978.70
6. Step 6: Final answer
   x = 6,673.75