Finding the Fourth Proportional to 101.34, 139.89 and 83.01

Step by Step Solution

1. Step 1: Write the proportion equation
   101.34 : 139.89 = 83.01 : x
2. Step 2: Convert to fraction form
   101.34/139.89 = 83.01/x
3. Step 3: Cross multiply
   101.34x = 139.89 × 83.01
4. Step 4: Simplify right side
   101.34x = 11,612.27
5. Step 5: Solve for x
   x = 11,612.27/101.34
6. Step 6: Final answer
   x = 114.59