Finding the Fourth Proportional to 93.72, 140.82 and 59.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93.72 : 140.82 = 59.50 : x
2. Step 2: Convert to fraction form
   93.72/140.82 = 59.50/x
3. Step 3: Cross multiply
   93.72x = 140.82 × 59.50
4. Step 4: Simplify right side
   93.72x = 8,377.79
5. Step 5: Solve for x
   x = 8,377.79/93.72
6. Step 6: Final answer
   x = 89.39