Finding the Fourth Proportional to 2,113.34, 3,170.70 and 944.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.34 : 3,170.70 = 944.15 : x
2. Step 2: Convert to fraction form
   2,113.34/3,170.70 = 944.15/x
3. Step 3: Cross multiply
   2,113.34x = 3,170.70 × 944.15
4. Step 4: Simplify right side
   2,113.34x = 2,993,600.55
5. Step 5: Solve for x
   x = 2,993,600.55/2,113.34
6. Step 6: Final answer
   x = 1,416.53