Finding the Fourth Proportional to 89.31, 134.01 and 35.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89.31 : 134.01 = 35.22 : x
2. Step 2: Convert to fraction form
   89.31/134.01 = 35.22/x
3. Step 3: Cross multiply
   89.31x = 134.01 × 35.22
4. Step 4: Simplify right side
   89.31x = 4,719.83
5. Step 5: Solve for x
   x = 4,719.83/89.31
6. Step 6: Final answer
   x = 52.85