Finding the Fourth Proportional to 2,498.42, 3,742.90 and 1,403.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.42 : 3,742.90 = 1,403.58 : x
2. Step 2: Convert to fraction form
   2,498.42/3,742.90 = 1,403.58/x
3. Step 3: Cross multiply
   2,498.42x = 3,742.90 × 1,403.58
4. Step 4: Simplify right side
   2,498.42x = 5,253,459.58
5. Step 5: Solve for x
   x = 5,253,459.58/2,498.42
6. Step 6: Final answer
   x = 2,102.71