Finding the Fourth Proportional to 6,404, 8,837.62 and 3,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404 : 8,837.62 = 3,609.50 : x
2. Step 2: Convert to fraction form
   6,404/8,837.62 = 3,609.50/x
3. Step 3: Cross multiply
   6,404x = 8,837.62 × 3,609.50
4. Step 4: Simplify right side
   6,404x = 31,899,389.39
5. Step 5: Solve for x
   x = 31,899,389.39/6,404
6. Step 6: Final answer
   x = 4,981.17