Finding the Fourth Proportional to 131.98, 182.06 and 89.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131.98 : 182.06 = 89.94 : x
2. Step 2: Convert to fraction form
   131.98/182.06 = 89.94/x
3. Step 3: Cross multiply
   131.98x = 182.06 × 89.94
4. Step 4: Simplify right side
   131.98x = 16,374.02
5. Step 5: Solve for x
   x = 16,374.02/131.98
6. Step 6: Final answer
   x = 124.06