Finding the Fourth Proportional to 91.52, 137.37 and 43.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91.52 : 137.37 = 43.46 : x
2. Step 2: Convert to fraction form
   91.52/137.37 = 43.46/x
3. Step 3: Cross multiply
   91.52x = 137.37 × 43.46
4. Step 4: Simplify right side
   91.52x = 5,970.10
5. Step 5: Solve for x
   x = 5,970.10/91.52
6. Step 6: Final answer
   x = 65.23