Finding the Fourth Proportional to 91.68, 137.42 and 37.59

Step by Step Solution

1. Step 1: Write the proportion equation
   91.68 : 137.42 = 37.59 : x
2. Step 2: Convert to fraction form
   91.68/137.42 = 37.59/x
3. Step 3: Cross multiply
   91.68x = 137.42 × 37.59
4. Step 4: Simplify right side
   91.68x = 5,165.43
5. Step 5: Solve for x
   x = 5,165.43/91.68
6. Step 6: Final answer
   x = 56.34