Finding the Fourth Proportional to 6,635.91, 9,157.89 and 3,803.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,635.91 : 9,157.89 = 3,803.61 : x
2. Step 2: Convert to fraction form
   6,635.91/9,157.89 = 3,803.61/x
3. Step 3: Cross multiply
   6,635.91x = 9,157.89 × 3,803.61
4. Step 4: Simplify right side
   6,635.91x = 34,833,041.98
5. Step 5: Solve for x
   x = 34,833,041.98/6,635.91
6. Step 6: Final answer
   x = 5,249.17