Finding the Fourth Proportional to 2,293.68, 3,165.39 and 1,299

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.68 : 3,165.39 = 1,299 : x
2. Step 2: Convert to fraction form
   2,293.68/3,165.39 = 1,299/x
3. Step 3: Cross multiply
   2,293.68x = 3,165.39 × 1,299
4. Step 4: Simplify right side
   2,293.68x = 4,111,841.61
5. Step 5: Solve for x
   x = 4,111,841.61/2,293.68
6. Step 6: Final answer
   x = 1,792.68