Finding the Fourth Proportional to 10,798.86, 16,188.57 and 3,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,798.86 : 16,188.57 = 3,868.50 : x
2. Step 2: Convert to fraction form
   10,798.86/16,188.57 = 3,868.50/x
3. Step 3: Cross multiply
   10,798.86x = 16,188.57 × 3,868.50
4. Step 4: Simplify right side
   10,798.86x = 62,625,483.05
5. Step 5: Solve for x
   x = 62,625,483.05/10,798.86
6. Step 6: Final answer
   x = 5,799.27