Finding the Fourth Proportional to 2,042.34, 2,818.28 and 1,157.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.34 : 2,818.28 = 1,157.99 : x
2. Step 2: Convert to fraction form
   2,042.34/2,818.28 = 1,157.99/x
3. Step 3: Cross multiply
   2,042.34x = 2,818.28 × 1,157.99
4. Step 4: Simplify right side
   2,042.34x = 3,263,534.27
5. Step 5: Solve for x
   x = 3,263,534.27/2,042.34
6. Step 6: Final answer
   x = 1,597.94