Finding the Fourth Proportional to 72.91, 100.62 and 41.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72.91 : 100.62 = 41.83 : x
2. Step 2: Convert to fraction form
   72.91/100.62 = 41.83/x
3. Step 3: Cross multiply
   72.91x = 100.62 × 41.83
4. Step 4: Simplify right side
   72.91x = 4,208.22
5. Step 5: Solve for x
   x = 4,208.22/72.91
6. Step 6: Final answer
   x = 57.72