Finding the Fourth Proportional to 100.00, 150.00 and 27.86

Step by Step Solution

1. Step 1: Write the proportion equation
   100.00 : 150.00 = 27.86 : x
2. Step 2: Convert to fraction form
   100.00/150.00 = 27.86/x
3. Step 3: Cross multiply
   100.00x = 150.00 × 27.86
4. Step 4: Simplify right side
   100.00x = 4,178.11
5. Step 5: Solve for x
   x = 4,178.11/100.00
6. Step 6: Final answer
   x = 41.78