Finding the Fourth Proportional to 71.48, 98.53 and 55.08

Step by Step Solution

1. Step 1: Write the proportion equation
   71.48 : 98.53 = 55.08 : x
2. Step 2: Convert to fraction form
   71.48/98.53 = 55.08/x
3. Step 3: Cross multiply
   71.48x = 98.53 × 55.08
4. Step 4: Simplify right side
   71.48x = 5,426.89
5. Step 5: Solve for x
   x = 5,426.89/71.48
6. Step 6: Final answer
   x = 75.92