Finding the Fourth Proportional to 101.79, 152.71 and 71.37

Step by Step Solution

1. Step 1: Write the proportion equation
   101.79 : 152.71 = 71.37 : x
2. Step 2: Convert to fraction form
   101.79/152.71 = 71.37/x
3. Step 3: Cross multiply
   101.79x = 152.71 × 71.37
4. Step 4: Simplify right side
   101.79x = 10,898.73
5. Step 5: Solve for x
   x = 10,898.73/101.79
6. Step 6: Final answer
   x = 107.07