Finding the Fourth Proportional to 145.37, 218.00 and 100.01

Step by Step Solution

1. Step 1: Write the proportion equation
   145.37 : 218.00 = 100.01 : x
2. Step 2: Convert to fraction form
   145.37/218.00 = 100.01/x
3. Step 3: Cross multiply
   145.37x = 218.00 × 100.01
4. Step 4: Simplify right side
   145.37x = 21,800.59
5. Step 5: Solve for x
   x = 21,800.59/145.37
6. Step 6: Final answer
   x = 149.97