Finding the Fourth Proportional to 72.63, 100.19 and 59.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72.63 : 100.19 = 59.48 : x
2. Step 2: Convert to fraction form
   72.63/100.19 = 59.48/x
3. Step 3: Cross multiply
   72.63x = 100.19 × 59.48
4. Step 4: Simplify right side
   72.63x = 5,958.50
5. Step 5: Solve for x
   x = 5,958.50/72.63
6. Step 6: Final answer
   x = 82.04