Finding the Fourth Proportional to 92.82, 139.23 and 37.98

Step by Step Solution

1. Step 1: Write the proportion equation
   92.82 : 139.23 = 37.98 : x
2. Step 2: Convert to fraction form
   92.82/139.23 = 37.98/x
3. Step 3: Cross multiply
   92.82x = 139.23 × 37.98
4. Step 4: Simplify right side
   92.82x = 5,287.96
5. Step 5: Solve for x
   x = 5,287.96/92.82
6. Step 6: Final answer
   x = 56.97