Finding the Fourth Proportional to 91.59, 137.38 and 37.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91.59 : 137.38 = 37.47 : x
2. Step 2: Convert to fraction form
   91.59/137.38 = 37.47/x
3. Step 3: Cross multiply
   91.59x = 137.38 × 37.47
4. Step 4: Simplify right side
   91.59x = 5,147.63
5. Step 5: Solve for x
   x = 5,147.63/91.59
6. Step 6: Final answer
   x = 56.20