Finding the Fourth Proportional to 14,300.10, 21,450.96 and 4,440.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.10 : 21,450.96 = 4,440.78 : x
2. Step 2: Convert to fraction form
   14,300.10/21,450.96 = 4,440.78/x
3. Step 3: Cross multiply
   14,300.10x = 21,450.96 × 4,440.78
4. Step 4: Simplify right side
   14,300.10x = 95,258,994.15
5. Step 5: Solve for x
   x = 95,258,994.15/14,300.10
6. Step 6: Final answer
   x = 6,661.42