Finding the Fourth Proportional to 2,311.56, 3,465.72 and 1,156.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.56 : 3,465.72 = 1,156.68 : x
2. Step 2: Convert to fraction form
   2,311.56/3,465.72 = 1,156.68/x
3. Step 3: Cross multiply
   2,311.56x = 3,465.72 × 1,156.68
4. Step 4: Simplify right side
   2,311.56x = 4,008,729.01
5. Step 5: Solve for x
   x = 4,008,729.01/2,311.56
6. Step 6: Final answer
   x = 1,734.21