Finding the Fourth Proportional to 91.92, 137.86 and 37.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91.92 : 137.86 = 37.06 : x
2. Step 2: Convert to fraction form
   91.92/137.86 = 37.06/x
3. Step 3: Cross multiply
   91.92x = 137.86 × 37.06
4. Step 4: Simplify right side
   91.92x = 5,109.09
5. Step 5: Solve for x
   x = 5,109.09/91.92
6. Step 6: Final answer
   x = 55.58