Finding the Fourth Proportional to 67.71, 101.30 and 55.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67.71 : 101.30 = 55.83 : x
2. Step 2: Convert to fraction form
   67.71/101.30 = 55.83/x
3. Step 3: Cross multiply
   67.71x = 101.30 × 55.83
4. Step 4: Simplify right side
   67.71x = 5,655.30
5. Step 5: Solve for x
   x = 5,655.30/67.71
6. Step 6: Final answer
   x = 83.52