Finding the Fourth Proportional to 3,617.47, 4,991.96 and 2,045.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617.47 : 4,991.96 = 2,045.59 : x
2. Step 2: Convert to fraction form
   3,617.47/4,991.96 = 2,045.59/x
3. Step 3: Cross multiply
   3,617.47x = 4,991.96 × 2,045.59
4. Step 4: Simplify right side
   3,617.47x = 10,211,468.27
5. Step 5: Solve for x
   x = 10,211,468.27/3,617.47
6. Step 6: Final answer
   x = 2,822.82