Finding the Fourth Proportional to 5,099.72, 7,037.56 and 2,861.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.72 : 7,037.56 = 2,861.59 : x
2. Step 2: Convert to fraction form
   5,099.72/7,037.56 = 2,861.59/x
3. Step 3: Cross multiply
   5,099.72x = 7,037.56 × 2,861.59
4. Step 4: Simplify right side
   5,099.72x = 20,138,611.32
5. Step 5: Solve for x
   x = 20,138,611.32/5,099.72
6. Step 6: Final answer
   x = 3,948.97