Finding the Fourth Proportional to 106.93, 147.59 and 67.61

Step by Step Solution

1. Step 1: Write the proportion equation
   106.93 : 147.59 = 67.61 : x
2. Step 2: Convert to fraction form
   106.93/147.59 = 67.61/x
3. Step 3: Cross multiply
   106.93x = 147.59 × 67.61
4. Step 4: Simplify right side
   106.93x = 9,978.56
5. Step 5: Solve for x
   x = 9,978.56/106.93
6. Step 6: Final answer
   x = 93.32