Finding the Fourth Proportional to 109.34, 150.89 and 62.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109.34 : 150.89 = 62.71 : x
2. Step 2: Convert to fraction form
   109.34/150.89 = 62.71/x
3. Step 3: Cross multiply
   109.34x = 150.89 × 62.71
4. Step 4: Simplify right side
   109.34x = 9,462.31
5. Step 5: Solve for x
   x = 9,462.31/109.34
6. Step 6: Final answer
   x = 86.54