Finding the Fourth Proportional to 2,617.02, 3,607.29 and 1,985.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.02 : 3,607.29 = 1,985.49 : x
2. Step 2: Convert to fraction form
   2,617.02/3,607.29 = 1,985.49/x
3. Step 3: Cross multiply
   2,617.02x = 3,607.29 × 1,985.49
4. Step 4: Simplify right side
   2,617.02x = 7,162,238.22
5. Step 5: Solve for x
   x = 7,162,238.22/2,617.02
6. Step 6: Final answer
   x = 2,736.79