Finding the Fourth Proportional to 108.41, 149.61 and 59.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108.41 : 149.61 = 59.30 : x
2. Step 2: Convert to fraction form
   108.41/149.61 = 59.30/x
3. Step 3: Cross multiply
   108.41x = 149.61 × 59.30
4. Step 4: Simplify right side
   108.41x = 8,870.83
5. Step 5: Solve for x
   x = 8,870.83/108.41
6. Step 6: Final answer
   x = 81.83