Finding the Fourth Proportional to 2,171.79, 3,259.53 and 940.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.79 : 3,259.53 = 940.14 : x
2. Step 2: Convert to fraction form
   2,171.79/3,259.53 = 940.14/x
3. Step 3: Cross multiply
   2,171.79x = 3,259.53 × 940.14
4. Step 4: Simplify right side
   2,171.79x = 3,064,414.53
5. Step 5: Solve for x
   x = 3,064,414.53/2,171.79
6. Step 6: Final answer
   x = 1,411.01