Finding the Fourth Proportional to 3,487.68, 4,813.83 and 2,160.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487.68 : 4,813.83 = 2,160.59 : x
2. Step 2: Convert to fraction form
   3,487.68/4,813.83 = 2,160.59/x
3. Step 3: Cross multiply
   3,487.68x = 4,813.83 × 2,160.59
4. Step 4: Simplify right side
   3,487.68x = 10,400,688.89
5. Step 5: Solve for x
   x = 10,400,688.89/3,487.68
6. Step 6: Final answer
   x = 2,982.12