Finding the Fourth Proportional to 5,099.51, 7,037.15 and 2,861.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.51 : 7,037.15 = 2,861.48 : x
2. Step 2: Convert to fraction form
   5,099.51/7,037.15 = 2,861.48/x
3. Step 3: Cross multiply
   5,099.51x = 7,037.15 × 2,861.48
4. Step 4: Simplify right side
   5,099.51x = 20,136,667.27
5. Step 5: Solve for x
   x = 20,136,667.27/5,099.51
6. Step 6: Final answer
   x = 3,948.74