Finding the Fourth Proportional to 2,499.17, 3,743.98 and 1,400.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.17 : 3,743.98 = 1,400.21 : x
2. Step 2: Convert to fraction form
   2,499.17/3,743.98 = 1,400.21/x
3. Step 3: Cross multiply
   2,499.17x = 3,743.98 × 1,400.21
4. Step 4: Simplify right side
   2,499.17x = 5,242,336.02
5. Step 5: Solve for x
   x = 5,242,336.02/2,499.17
6. Step 6: Final answer
   x = 2,097.64