Finding the Fourth Proportional to 91.39, 137.03 and 37.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91.39 : 137.03 = 37.25 : x
2. Step 2: Convert to fraction form
   91.39/137.03 = 37.25/x
3. Step 3: Cross multiply
   91.39x = 137.03 × 37.25
4. Step 4: Simplify right side
   91.39x = 5,104.37
5. Step 5: Solve for x
   x = 5,104.37/91.39
6. Step 6: Final answer
   x = 55.86