Finding the Fourth Proportional to 14,380.56, 19,843.83 and 10,605.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,380.56 : 19,843.83 = 10,605.78 : x
2. Step 2: Convert to fraction form
   14,380.56/19,843.83 = 10,605.78/x
3. Step 3: Cross multiply
   14,380.56x = 19,843.83 × 10,605.78
4. Step 4: Simplify right side
   14,380.56x = 210,459,295.34
5. Step 5: Solve for x
   x = 210,459,295.34/14,380.56
6. Step 6: Final answer
   x = 14,634.99