Finding the Fourth Proportional to 3,516.30, 4,856.63 and 2,810.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.30 : 4,856.63 = 2,810.59 : x
2. Step 2: Convert to fraction form
   3,516.30/4,856.63 = 2,810.59/x
3. Step 3: Cross multiply
   3,516.30x = 4,856.63 × 2,810.59
4. Step 4: Simplify right side
   3,516.30x = 13,649,969.52
5. Step 5: Solve for x
   x = 13,649,969.52/3,516.30
6. Step 6: Final answer
   x = 3,881.91