Finding the Fourth Proportional to 8,751.43, 12,074.83 and 5,611.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,751.43 : 12,074.83 = 5,611.87 : x
2. Step 2: Convert to fraction form
   8,751.43/12,074.83 = 5,611.87/x
3. Step 3: Cross multiply
   8,751.43x = 12,074.83 × 5,611.87
4. Step 4: Simplify right side
   8,751.43x = 67,762,376.23
5. Step 5: Solve for x
   x = 67,762,376.23/8,751.43
6. Step 6: Final answer
   x = 7,743.01