Finding the Fourth Proportional to 116.31, 160.50 and 67.19

Step by Step Solution

1. Step 1: Write the proportion equation
   116.31 : 160.50 = 67.19 : x
2. Step 2: Convert to fraction form
   116.31/160.50 = 67.19/x
3. Step 3: Cross multiply
   116.31x = 160.50 × 67.19
4. Step 4: Simplify right side
   116.31x = 10,784.00
5. Step 5: Solve for x
   x = 10,784.00/116.31
6. Step 6: Final answer
   x = 92.72