Finding the Fourth Proportional to 2,091.42, 3,141.45 and 2,039.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.42 : 3,141.45 = 2,039.58 : x
2. Step 2: Convert to fraction form
   2,091.42/3,141.45 = 2,039.58/x
3. Step 3: Cross multiply
   2,091.42x = 3,141.45 × 2,039.58
4. Step 4: Simplify right side
   2,091.42x = 6,407,238.59
5. Step 5: Solve for x
   x = 6,407,238.59/2,091.42
6. Step 6: Final answer
   x = 3,063.58