Finding the Fourth Proportional to 2,041.34, 2,817.68 and 1,157.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.34 : 2,817.68 = 1,157.72 : x
2. Step 2: Convert to fraction form
   2,041.34/2,817.68 = 1,157.72/x
3. Step 3: Cross multiply
   2,041.34x = 2,817.68 × 1,157.72
4. Step 4: Simplify right side
   2,041.34x = 3,262,094.43
5. Step 5: Solve for x
   x = 3,262,094.43/2,041.34
6. Step 6: Final answer
   x = 1,598.02