Finding the Fourth Proportional to 14,800.82, 20,426.55 and 8,087.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,800.82 : 20,426.55 = 8,087.47 : x
2. Step 2: Convert to fraction form
   14,800.82/20,426.55 = 8,087.47/x
3. Step 3: Cross multiply
   14,800.82x = 20,426.55 × 8,087.47
4. Step 4: Simplify right side
   14,800.82x = 165,199,069.89
5. Step 5: Solve for x
   x = 165,199,069.89/14,800.82
6. Step 6: Final answer
   x = 11,161.48