Finding the Fourth Proportional to 127.56, 191.52 and 73.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127.56 : 191.52 = 73.50 : x
2. Step 2: Convert to fraction form
   127.56/191.52 = 73.50/x
3. Step 3: Cross multiply
   127.56x = 191.52 × 73.50
4. Step 4: Simplify right side
   127.56x = 14,076.72
5. Step 5: Solve for x
   x = 14,076.72/127.56
6. Step 6: Final answer
   x = 110.35