Finding the Fourth Proportional to 2,137.15, 2,949.48 and 1,253.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.15 : 2,949.48 = 1,253.10 : x
2. Step 2: Convert to fraction form
   2,137.15/2,949.48 = 1,253.10/x
3. Step 3: Cross multiply
   2,137.15x = 2,949.48 × 1,253.10
4. Step 4: Simplify right side
   2,137.15x = 3,696,004.45
5. Step 5: Solve for x
   x = 3,696,004.45/2,137.15
6. Step 6: Final answer
   x = 1,729.41