Finding the Fourth Proportional to 100.00, 150.00 and 54.34

Step by Step Solution

1. Step 1: Write the proportion equation
   100.00 : 150.00 = 54.34 : x
2. Step 2: Convert to fraction form
   100.00/150.00 = 54.34/x
3. Step 3: Cross multiply
   100.00x = 150.00 × 54.34
4. Step 4: Simplify right side
   100.00x = 8,150.42
5. Step 5: Solve for x
   x = 8,150.42/100.00
6. Step 6: Final answer
   x = 81.50