Finding the Fourth Proportional to 2,105.72, 3,155.70 and 1,334.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.72 : 3,155.70 = 1,334.84 : x
2. Step 2: Convert to fraction form
   2,105.72/3,155.70 = 1,334.84/x
3. Step 3: Cross multiply
   2,105.72x = 3,155.70 × 1,334.84
4. Step 4: Simplify right side
   2,105.72x = 4,212,354.59
5. Step 5: Solve for x
   x = 4,212,354.59/2,105.72
6. Step 6: Final answer
   x = 2,000.43