Finding the Fourth Proportional to 2,313.56, 3,468.72 and 1,158.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.56 : 3,468.72 = 1,158.68 : x
2. Step 2: Convert to fraction form
   2,313.56/3,468.72 = 1,158.68/x
3. Step 3: Cross multiply
   2,313.56x = 3,468.72 × 1,158.68
4. Step 4: Simplify right side
   2,313.56x = 4,019,136.49
5. Step 5: Solve for x
   x = 4,019,136.49/2,313.56
6. Step 6: Final answer
   x = 1,737.21