Finding the Fourth Proportional to 90.91, 136.34 and 41.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90.91 : 136.34 = 41.50 : x
2. Step 2: Convert to fraction form
   90.91/136.34 = 41.50/x
3. Step 3: Cross multiply
   90.91x = 136.34 × 41.50
4. Step 4: Simplify right side
   90.91x = 5,657.22
5. Step 5: Solve for x
   x = 5,657.22/90.91
6. Step 6: Final answer
   x = 62.23