Finding the Fourth Proportional to 90.37, 135.49 and 29.47

Step by Step Solution

1. Step 1: Write the proportion equation
   90.37 : 135.49 = 29.47 : x
2. Step 2: Convert to fraction form
   90.37/135.49 = 29.47/x
3. Step 3: Cross multiply
   90.37x = 135.49 × 29.47
4. Step 4: Simplify right side
   90.37x = 3,992.89
5. Step 5: Solve for x
   x = 3,992.89/90.37
6. Step 6: Final answer
   x = 44.18