Finding the Fourth Proportional to 88.05, 131.89 and 55.83

Step by Step Solution

1. Step 1: Write the proportion equation
   88.05 : 131.89 = 55.83 : x
2. Step 2: Convert to fraction form
   88.05/131.89 = 55.83/x
3. Step 3: Cross multiply
   88.05x = 131.89 × 55.83
4. Step 4: Simplify right side
   88.05x = 7,363.42
5. Step 5: Solve for x
   x = 7,363.42/88.05
6. Step 6: Final answer
   x = 83.63