Finding the Fourth Proportional to 1,673.69, 2,523.38 and 1,560.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.69 : 2,523.38 = 1,560.77 : x
2. Step 2: Convert to fraction form
   1,673.69/2,523.38 = 1,560.77/x
3. Step 3: Cross multiply
   1,673.69x = 2,523.38 × 1,560.77
4. Step 4: Simplify right side
   1,673.69x = 3,938,395.38
5. Step 5: Solve for x
   x = 3,938,395.38/1,673.69
6. Step 6: Final answer
   x = 2,353.12