Finding the Fourth Proportional to 14,226.72, 19,634.18 and 7,854.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,226.72 : 19,634.18 = 7,854.45 : x
2. Step 2: Convert to fraction form
   14,226.72/19,634.18 = 7,854.45/x
3. Step 3: Cross multiply
   14,226.72x = 19,634.18 × 7,854.45
4. Step 4: Simplify right side
   14,226.72x = 154,215,685.10
5. Step 5: Solve for x
   x = 154,215,685.10/14,226.72
6. Step 6: Final answer
   x = 10,839.86