Finding the Fourth Proportional to 91.98, 137.96 and 37.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91.98 : 137.96 = 37.83 : x
2. Step 2: Convert to fraction form
   91.98/137.96 = 37.83/x
3. Step 3: Cross multiply
   91.98x = 137.96 × 37.83
4. Step 4: Simplify right side
   91.98x = 5,219.03
5. Step 5: Solve for x
   x = 5,219.03/91.98
6. Step 6: Final answer
   x = 56.74