Finding the Fourth Proportional to 110.95, 152.89 and 86.35

Step by Step Solution

1. Step 1: Write the proportion equation
   110.95 : 152.89 = 86.35 : x
2. Step 2: Convert to fraction form
   110.95/152.89 = 86.35/x
3. Step 3: Cross multiply
   110.95x = 152.89 × 86.35
4. Step 4: Simplify right side
   110.95x = 13,200.86
5. Step 5: Solve for x
   x = 13,200.86/110.95
6. Step 6: Final answer
   x = 118.99