Finding the Fourth Proportional to 6,411.07, 8,847.50 and 3,722.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,411.07 : 8,847.50 = 3,722.09 : x
2. Step 2: Convert to fraction form
   6,411.07/8,847.50 = 3,722.09/x
3. Step 3: Cross multiply
   6,411.07x = 8,847.50 × 3,722.09
4. Step 4: Simplify right side
   6,411.07x = 32,931,156.34
5. Step 5: Solve for x
   x = 32,931,156.34/6,411.07
6. Step 6: Final answer
   x = 5,136.61