Finding the Fourth Proportional to 72.24, 99.53 and 59.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72.24 : 99.53 = 59.08 : x
2. Step 2: Convert to fraction form
   72.24/99.53 = 59.08/x
3. Step 3: Cross multiply
   72.24x = 99.53 × 59.08
4. Step 4: Simplify right side
   72.24x = 5,880.10
5. Step 5: Solve for x
   x = 5,880.10/72.24
6. Step 6: Final answer
   x = 81.39