Finding the Fourth Proportional to 72.62, 100.10 and 52.95

Step by Step Solution

1. Step 1: Write the proportion equation
   72.62 : 100.10 = 52.95 : x
2. Step 2: Convert to fraction form
   72.62/100.10 = 52.95/x
3. Step 3: Cross multiply
   72.62x = 100.10 × 52.95
4. Step 4: Simplify right side
   72.62x = 5,300.03
5. Step 5: Solve for x
   x = 5,300.03/72.62
6. Step 6: Final answer
   x = 72.98