Finding the Fourth Proportional to 14,300.42, 21,450.56 and 3,626.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.42 : 21,450.56 = 3,626.78 : x
2. Step 2: Convert to fraction form
   14,300.42/21,450.56 = 3,626.78/x
3. Step 3: Cross multiply
   14,300.42x = 21,450.56 × 3,626.78
4. Step 4: Simplify right side
   14,300.42x = 77,796,336.61
5. Step 5: Solve for x
   x = 77,796,336.61/14,300.42
6. Step 6: Final answer
   x = 5,440.15