Finding the Fourth Proportional to 2,497.68, 3,741.72 and 1,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,497.68 : 3,741.72 = 1,398.72 : x
2. Step 2: Convert to fraction form
   2,497.68/3,741.72 = 1,398.72/x
3. Step 3: Cross multiply
   2,497.68x = 3,741.72 × 1,398.72
4. Step 4: Simplify right side
   2,497.68x = 5,233,618.60
5. Step 5: Solve for x
   x = 5,233,618.60/2,497.68
6. Step 6: Final answer
   x = 2,095.39