Finding the Fourth Proportional to 6,799.50, 10,200.18 and 2,415.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,799.50 : 10,200.18 = 2,415.78 : x
2. Step 2: Convert to fraction form
   6,799.50/10,200.18 = 2,415.78/x
3. Step 3: Cross multiply
   6,799.50x = 10,200.18 × 2,415.78
4. Step 4: Simplify right side
   6,799.50x = 24,641,390.84
5. Step 5: Solve for x
   x = 24,641,390.84/6,799.50
6. Step 6: Final answer
   x = 3,624.00