Finding the Fourth Proportional to 2,493.32, 3,742.72 and 1,399.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.32 : 3,742.72 = 1,399.82 : x
2. Step 2: Convert to fraction form
   2,493.32/3,742.72 = 1,399.82/x
3. Step 3: Cross multiply
   2,493.32x = 3,742.72 × 1,399.82
4. Step 4: Simplify right side
   2,493.32x = 5,239,140.17
5. Step 5: Solve for x
   x = 5,239,140.17/2,493.32
6. Step 6: Final answer
   x = 2,101.27