Finding the Fourth Proportional to 86.67, 130.06 and 46.10

Step by Step Solution

1. Step 1: Write the proportion equation
   86.67 : 130.06 = 46.10 : x
2. Step 2: Convert to fraction form
   86.67/130.06 = 46.10/x
3. Step 3: Cross multiply
   86.67x = 130.06 × 46.10
4. Step 4: Simplify right side
   86.67x = 5,995.89
5. Step 5: Solve for x
   x = 5,995.89/86.67
6. Step 6: Final answer
   x = 69.18