Finding the Fourth Proportional to 2,173.67, 3,259.85 and 940.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.67 : 3,259.85 = 940.77 : x
2. Step 2: Convert to fraction form
   2,173.67/3,259.85 = 940.77/x
3. Step 3: Cross multiply
   2,173.67x = 3,259.85 × 940.77
4. Step 4: Simplify right side
   2,173.67x = 3,066,764.38
5. Step 5: Solve for x
   x = 3,066,764.38/2,173.67
6. Step 6: Final answer
   x = 1,410.87