Finding the Fourth Proportional to 2,007.20, 3,010.82 and 1,358.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.20 : 3,010.82 = 1,358.39 : x
2. Step 2: Convert to fraction form
   2,007.20/3,010.82 = 1,358.39/x
3. Step 3: Cross multiply
   2,007.20x = 3,010.82 × 1,358.39
4. Step 4: Simplify right side
   2,007.20x = 4,089,845.93
5. Step 5: Solve for x
   x = 4,089,845.93/2,007.20
6. Step 6: Final answer
   x = 2,037.59