Finding the Fourth Proportional to 8,731.33, 13,099.05 and 2,491.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.33 : 13,099.05 = 2,491.43 : x
2. Step 2: Convert to fraction form
   8,731.33/13,099.05 = 2,491.43/x
3. Step 3: Cross multiply
   8,731.33x = 13,099.05 × 2,491.43
4. Step 4: Simplify right side
   8,731.33x = 32,635,300.65
5. Step 5: Solve for x
   x = 32,635,300.65/8,731.33
6. Step 6: Final answer
   x = 3,737.72