Finding the Fourth Proportional to 109.82, 151.48 and 71.00

Step by Step Solution

1. Step 1: Write the proportion equation
   109.82 : 151.48 = 71.00 : x
2. Step 2: Convert to fraction form
   109.82/151.48 = 71.00/x
3. Step 3: Cross multiply
   109.82x = 151.48 × 71.00
4. Step 4: Simplify right side
   109.82x = 10,755.55
5. Step 5: Solve for x
   x = 10,755.55/109.82
6. Step 6: Final answer
   x = 97.94