Finding the Fourth Proportional to 59.99, 89.86 and 38.34

Step by Step Solution

1. Step 1: Write the proportion equation
   59.99 : 89.86 = 38.34 : x
2. Step 2: Convert to fraction form
   59.99/89.86 = 38.34/x
3. Step 3: Cross multiply
   59.99x = 89.86 × 38.34
4. Step 4: Simplify right side
   59.99x = 3,445.14
5. Step 5: Solve for x
   x = 3,445.14/59.99
6. Step 6: Final answer
   x = 57.43