Finding the Fourth Proportional to 3,380.32, 5,058.15 and 1,994.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.32 : 5,058.15 = 1,994.32 : x
2. Step 2: Convert to fraction form
   3,380.32/5,058.15 = 1,994.32/x
3. Step 3: Cross multiply
   3,380.32x = 5,058.15 × 1,994.32
4. Step 4: Simplify right side
   3,380.32x = 10,087,559.74
5. Step 5: Solve for x
   x = 10,087,559.74/3,380.32
6. Step 6: Final answer
   x = 2,984.20