Finding the Fourth Proportional to 89.05, 133.63 and 37.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89.05 : 133.63 = 37.69 : x
2. Step 2: Convert to fraction form
   89.05/133.63 = 37.69/x
3. Step 3: Cross multiply
   89.05x = 133.63 × 37.69
4. Step 4: Simplify right side
   89.05x = 5,036.51
5. Step 5: Solve for x
   x = 5,036.51/89.05
6. Step 6: Final answer
   x = 56.56