Finding the Fourth Proportional to 61.27, 91.91 and 17.94

Step by Step Solution

1. Step 1: Write the proportion equation
   61.27 : 91.91 = 17.94 : x
2. Step 2: Convert to fraction form
   61.27/91.91 = 17.94/x
3. Step 3: Cross multiply
   61.27x = 91.91 × 17.94
4. Step 4: Simplify right side
   61.27x = 1,648.82
5. Step 5: Solve for x
   x = 1,648.82/61.27
6. Step 6: Final answer
   x = 26.91