Finding the Fourth Proportional to 2,293.98, 3,165.58 and 1,299.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.98 : 3,165.58 = 1,299.31 : x
2. Step 2: Convert to fraction form
   2,293.98/3,165.58 = 1,299.31/x
3. Step 3: Cross multiply
   2,293.98x = 3,165.58 × 1,299.31
4. Step 4: Simplify right side
   2,293.98x = 4,113,069.75
5. Step 5: Solve for x
   x = 4,113,069.75/2,293.98
6. Step 6: Final answer
   x = 1,792.98