Finding the Fourth Proportional to 2,892.59, 4,335.46 and 1,331.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.59 : 4,335.46 = 1,331.30 : x
2. Step 2: Convert to fraction form
   2,892.59/4,335.46 = 1,331.30/x
3. Step 3: Cross multiply
   2,892.59x = 4,335.46 × 1,331.30
4. Step 4: Simplify right side
   2,892.59x = 5,771,797.90
5. Step 5: Solve for x
   x = 5,771,797.90/2,892.59
6. Step 6: Final answer
   x = 1,995.37