Finding the Fourth Proportional to 83.94, 115.86 and 67.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83.94 : 115.86 = 67.59 : x
2. Step 2: Convert to fraction form
   83.94/115.86 = 67.59/x
3. Step 3: Cross multiply
   83.94x = 115.86 × 67.59
4. Step 4: Simplify right side
   83.94x = 7,830.98
5. Step 5: Solve for x
   x = 7,830.98/83.94
6. Step 6: Final answer
   x = 93.29