Finding the Fourth Proportional to 3,661.98, 5,053.35 and 2,149.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.98 : 5,053.35 = 2,149.34 : x
2. Step 2: Convert to fraction form
   3,661.98/5,053.35 = 2,149.34/x
3. Step 3: Cross multiply
   3,661.98x = 5,053.35 × 2,149.34
4. Step 4: Simplify right side
   3,661.98x = 10,861,342.02
5. Step 5: Solve for x
   x = 10,861,342.02/3,661.98
6. Step 6: Final answer
   x = 2,965.98