Finding the Fourth Proportional to 95.34, 131.56 and 53.89

Step by Step Solution

1. Step 1: Write the proportion equation
   95.34 : 131.56 = 53.89 : x
2. Step 2: Convert to fraction form
   95.34/131.56 = 53.89/x
3. Step 3: Cross multiply
   95.34x = 131.56 × 53.89
4. Step 4: Simplify right side
   95.34x = 7,089.77
5. Step 5: Solve for x
   x = 7,089.77/95.34
6. Step 6: Final answer
   x = 74.36