Finding the Fourth Proportional to 72.55, 100.17 and 46.35

Step by Step Solution

1. Step 1: Write the proportion equation
   72.55 : 100.17 = 46.35 : x
2. Step 2: Convert to fraction form
   72.55/100.17 = 46.35/x
3. Step 3: Cross multiply
   72.55x = 100.17 × 46.35
4. Step 4: Simplify right side
   72.55x = 4,642.88
5. Step 5: Solve for x
   x = 4,642.88/72.55
6. Step 6: Final answer
   x = 64.00