Finding the Fourth Proportional to 2,665.17, 3,677.33 and 1,530.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.17 : 3,677.33 = 1,530.77 : x
2. Step 2: Convert to fraction form
   2,665.17/3,677.33 = 1,530.77/x
3. Step 3: Cross multiply
   2,665.17x = 3,677.33 × 1,530.77
4. Step 4: Simplify right side
   2,665.17x = 5,629,146.44
5. Step 5: Solve for x
   x = 5,629,146.44/2,665.17
6. Step 6: Final answer
   x = 2,112.12