Finding the Fourth Proportional to 148.81, 205.37 and 83.32

Step by Step Solution

1. Step 1: Write the proportion equation
   148.81 : 205.37 = 83.32 : x
2. Step 2: Convert to fraction form
   148.81/205.37 = 83.32/x
3. Step 3: Cross multiply
   148.81x = 205.37 × 83.32
4. Step 4: Simplify right side
   148.81x = 17,111.43
5. Step 5: Solve for x
   x = 17,111.43/148.81
6. Step 6: Final answer
   x = 114.99