Finding the Fourth Proportional to 92.00, 138.01 and 74.83

Step by Step Solution

1. Step 1: Write the proportion equation
   92.00 : 138.01 = 74.83 : x
2. Step 2: Convert to fraction form
   92.00/138.01 = 74.83/x
3. Step 3: Cross multiply
   92.00x = 138.01 × 74.83
4. Step 4: Simplify right side
   92.00x = 10,327.55
5. Step 5: Solve for x
   x = 10,327.55/92.00
6. Step 6: Final answer
   x = 112.26