Finding the Fourth Proportional to 109.00, 150.43 and 70.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109.00 : 150.43 = 70.30 : x
2. Step 2: Convert to fraction form
   109.00/150.43 = 70.30/x
3. Step 3: Cross multiply
   109.00x = 150.43 × 70.30
4. Step 4: Simplify right side
   109.00x = 10,574.30
5. Step 5: Solve for x
   x = 10,574.30/109.00
6. Step 6: Final answer
   x = 97.02