Finding the Fourth Proportional to 59.36, 89.35 and 45.99

Step by Step Solution

1. Step 1: Write the proportion equation
   59.36 : 89.35 = 45.99 : x
2. Step 2: Convert to fraction form
   59.36/89.35 = 45.99/x
3. Step 3: Cross multiply
   59.36x = 89.35 × 45.99
4. Step 4: Simplify right side
   59.36x = 4,109.09
5. Step 5: Solve for x
   x = 4,109.09/59.36
6. Step 6: Final answer
   x = 69.23