Finding the Fourth Proportional to 94.69, 141.78 and 75.34

Step by Step Solution

1. Step 1: Write the proportion equation
   94.69 : 141.78 = 75.34 : x
2. Step 2: Convert to fraction form
   94.69/141.78 = 75.34/x
3. Step 3: Cross multiply
   94.69x = 141.78 × 75.34
4. Step 4: Simplify right side
   94.69x = 10,681.71
5. Step 5: Solve for x
   x = 10,681.71/94.69
6. Step 6: Final answer
   x = 112.81