Finding the Fourth Proportional to 67.92, 93.50 and 61.01

Step by Step Solution

1. Step 1: Write the proportion equation
   67.92 : 93.50 = 61.01 : x
2. Step 2: Convert to fraction form
   67.92/93.50 = 61.01/x
3. Step 3: Cross multiply
   67.92x = 93.50 × 61.01
4. Step 4: Simplify right side
   67.92x = 5,704.85
5. Step 5: Solve for x
   x = 5,704.85/67.92
6. Step 6: Final answer
   x = 83.99