Finding the Fourth Proportional to 6,909.86, 10,367.61 and 3,625.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,909.86 : 10,367.61 = 3,625.10 : x
2. Step 2: Convert to fraction form
   6,909.86/10,367.61 = 3,625.10/x
3. Step 3: Cross multiply
   6,909.86x = 10,367.61 × 3,625.10
4. Step 4: Simplify right side
   6,909.86x = 37,583,623.01
5. Step 5: Solve for x
   x = 37,583,623.01/6,909.86
6. Step 6: Final answer
   x = 5,439.13