Finding the Fourth Proportional to 69.96, 105.00 and 39.59

Step by Step Solution

1. Step 1: Write the proportion equation
   69.96 : 105.00 = 39.59 : x
2. Step 2: Convert to fraction form
   69.96/105.00 = 39.59/x
3. Step 3: Cross multiply
   69.96x = 105.00 × 39.59
4. Step 4: Simplify right side
   69.96x = 4,156.67
5. Step 5: Solve for x
   x = 4,156.67/69.96
6. Step 6: Final answer
   x = 59.41