Finding the Fourth Proportional to 120.71, 181.10 and 59.83

Step by Step Solution

1. Step 1: Write the proportion equation
   120.71 : 181.10 = 59.83 : x
2. Step 2: Convert to fraction form
   120.71/181.10 = 59.83/x
3. Step 3: Cross multiply
   120.71x = 181.10 × 59.83
4. Step 4: Simplify right side
   120.71x = 10,834.91
5. Step 5: Solve for x
   x = 10,834.91/120.71
6. Step 6: Final answer
   x = 89.76