Finding the Fourth Proportional to 143.98, 216.00 and 62.83

Step by Step Solution

1. Step 1: Write the proportion equation
   143.98 : 216.00 = 62.83 : x
2. Step 2: Convert to fraction form
   143.98/216.00 = 62.83/x
3. Step 3: Cross multiply
   143.98x = 216.00 × 62.83
4. Step 4: Simplify right side
   143.98x = 13,569.89
5. Step 5: Solve for x
   x = 13,569.89/143.98
6. Step 6: Final answer
   x = 94.25