Finding the Fourth Proportional to 92.98, 139.37 and 38.82

Step by Step Solution

1. Step 1: Write the proportion equation
   92.98 : 139.37 = 38.82 : x
2. Step 2: Convert to fraction form
   92.98/139.37 = 38.82/x
3. Step 3: Cross multiply
   92.98x = 139.37 × 38.82
4. Step 4: Simplify right side
   92.98x = 5,410.34
5. Step 5: Solve for x
   x = 5,410.34/92.98
6. Step 6: Final answer
   x = 58.19