Finding the Fourth Proportional to 6,401.50, 8,834.21 and 3,607

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.50 : 8,834.21 = 3,607 : x
2. Step 2: Convert to fraction form
   6,401.50/8,834.21 = 3,607/x
3. Step 3: Cross multiply
   6,401.50x = 8,834.21 × 3,607
4. Step 4: Simplify right side
   6,401.50x = 31,864,995.47
5. Step 5: Solve for x
   x = 31,864,995.47/6,401.50
6. Step 6: Final answer
   x = 4,977.74