Finding the Fourth Proportional to 91.14, 136.72 and 37.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91.14 : 136.72 = 37.06 : x
2. Step 2: Convert to fraction form
   91.14/136.72 = 37.06/x
3. Step 3: Cross multiply
   91.14x = 136.72 × 37.06
4. Step 4: Simplify right side
   91.14x = 5,066.84
5. Step 5: Solve for x
   x = 5,066.84/91.14
6. Step 6: Final answer
   x = 55.59