Finding the Fourth Proportional to 100.00, 149.82 and 69.49

Step by Step Solution

1. Step 1: Write the proportion equation
   100.00 : 149.82 = 69.49 : x
2. Step 2: Convert to fraction form
   100.00/149.82 = 69.49/x
3. Step 3: Cross multiply
   100.00x = 149.82 × 69.49
4. Step 4: Simplify right side
   100.00x = 10,410.92
5. Step 5: Solve for x
   x = 10,410.92/100.00
6. Step 6: Final answer
   x = 104.11