Finding the Fourth Proportional to 101.00, 151.55 and 70.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101.00 : 151.55 = 70.50 : x
2. Step 2: Convert to fraction form
   101.00/151.55 = 70.50/x
3. Step 3: Cross multiply
   101.00x = 151.55 × 70.50
4. Step 4: Simplify right side
   101.00x = 10,683.28
5. Step 5: Solve for x
   x = 10,683.28/101.00
6. Step 6: Final answer
   x = 105.78