Finding the Fourth Proportional to 2,041.81, 2,817.59 and 1,157.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.81 : 2,817.59 = 1,157.29 : x
2. Step 2: Convert to fraction form
   2,041.81/2,817.59 = 1,157.29/x
3. Step 3: Cross multiply
   2,041.81x = 2,817.59 × 1,157.29
4. Step 4: Simplify right side
   2,041.81x = 3,260,755.90
5. Step 5: Solve for x
   x = 3,260,755.90/2,041.81
6. Step 6: Final answer
   x = 1,596.99