Finding the Fourth Proportional to 70.52, 105.77 and 50.01

Step by Step Solution

1. Step 1: Write the proportion equation
   70.52 : 105.77 = 50.01 : x
2. Step 2: Convert to fraction form
   70.52/105.77 = 50.01/x
3. Step 3: Cross multiply
   70.52x = 105.77 × 50.01
4. Step 4: Simplify right side
   70.52x = 5,289.31
5. Step 5: Solve for x
   x = 5,289.31/70.52
6. Step 6: Final answer
   x = 75.01