Finding the Fourth Proportional to 2,105.37, 3,157.38 and 1,180.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.37 : 3,157.38 = 1,180.71 : x
2. Step 2: Convert to fraction form
   2,105.37/3,157.38 = 1,180.71/x
3. Step 3: Cross multiply
   2,105.37x = 3,157.38 × 1,180.71
4. Step 4: Simplify right side
   2,105.37x = 3,727,950.14
5. Step 5: Solve for x
   x = 3,727,950.14/2,105.37
6. Step 6: Final answer
   x = 1,770.69