Finding the Fourth Proportional to 104.01, 143.52 and 72.93

Step by Step Solution

1. Step 1: Write the proportion equation
   104.01 : 143.52 = 72.93 : x
2. Step 2: Convert to fraction form
   104.01/143.52 = 72.93/x
3. Step 3: Cross multiply
   104.01x = 143.52 × 72.93
4. Step 4: Simplify right side
   104.01x = 10,466.91
5. Step 5: Solve for x
   x = 10,466.91/104.01
6. Step 6: Final answer
   x = 100.63