Finding the Fourth Proportional to 114.86, 158.18 and 114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114.86 : 158.18 = 114.50 : x
2. Step 2: Convert to fraction form
   114.86/158.18 = 114.50/x
3. Step 3: Cross multiply
   114.86x = 158.18 × 114.50
4. Step 4: Simplify right side
   114.86x = 18,111.61
5. Step 5: Solve for x
   x = 18,111.61/114.86
6. Step 6: Final answer
   x = 157.68