Finding the Fourth Proportional to 111.61, 153.98 and 67.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111.61 : 153.98 = 67.95 : x
2. Step 2: Convert to fraction form
   111.61/153.98 = 67.95/x
3. Step 3: Cross multiply
   111.61x = 153.98 × 67.95
4. Step 4: Simplify right side
   111.61x = 10,462.94
5. Step 5: Solve for x
   x = 10,462.94/111.61
6. Step 6: Final answer
   x = 93.75