Finding the Fourth Proportional to 14,087.50, 19,440.78 and 7,800.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,087.50 : 19,440.78 = 7,800.82 : x
2. Step 2: Convert to fraction form
   14,087.50/19,440.78 = 7,800.82/x
3. Step 3: Cross multiply
   14,087.50x = 19,440.78 × 7,800.82
4. Step 4: Simplify right side
   14,087.50x = 151,654,025.44
5. Step 5: Solve for x
   x = 151,654,025.44/14,087.50
6. Step 6: Final answer
   x = 10,765.15