Finding the Fourth Proportional to 118.83, 164.06 and 74.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118.83 : 164.06 = 74.59 : x
2. Step 2: Convert to fraction form
   118.83/164.06 = 74.59/x
3. Step 3: Cross multiply
   118.83x = 164.06 × 74.59
4. Step 4: Simplify right side
   118.83x = 12,236.42
5. Step 5: Solve for x
   x = 12,236.42/118.83
6. Step 6: Final answer
   x = 102.98