Finding the Fourth Proportional to 2,041.71, 2,818.20 and 1,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.71 : 2,818.20 = 1,158.10 : x
2. Step 2: Convert to fraction form
   2,041.71/2,818.20 = 1,158.10/x
3. Step 3: Cross multiply
   2,041.71x = 2,818.20 × 1,158.10
4. Step 4: Simplify right side
   2,041.71x = 3,263,750.37
5. Step 5: Solve for x
   x = 3,263,750.37/2,041.71
6. Step 6: Final answer
   x = 1,598.54