Finding the Fourth Proportional to 2,740.32, 4,108.42 and 890.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.32 : 4,108.42 = 890.33 : x
2. Step 2: Convert to fraction form
   2,740.32/4,108.42 = 890.33/x
3. Step 3: Cross multiply
   2,740.32x = 4,108.42 × 890.33
4. Step 4: Simplify right side
   2,740.32x = 3,657,824.58
5. Step 5: Solve for x
   x = 3,657,824.58/2,740.32
6. Step 6: Final answer
   x = 1,334.82