Finding the Fourth Proportional to 2,173.18, 3,256.98 and 940.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.18 : 3,256.98 = 940.24 : x
2. Step 2: Convert to fraction form
   2,173.18/3,256.98 = 940.24/x
3. Step 3: Cross multiply
   2,173.18x = 3,256.98 × 940.24
4. Step 4: Simplify right side
   2,173.18x = 3,062,342.88
5. Step 5: Solve for x
   x = 3,062,342.88/2,173.18
6. Step 6: Final answer
   x = 1,409.15