Finding the Fourth Proportional to 59.49, 89.16 and 45.99

Step by Step Solution

1. Step 1: Write the proportion equation
   59.49 : 89.16 = 45.99 : x
2. Step 2: Convert to fraction form
   59.49/89.16 = 45.99/x
3. Step 3: Cross multiply
   59.49x = 89.16 × 45.99
4. Step 4: Simplify right side
   59.49x = 4,100.47
5. Step 5: Solve for x
   x = 4,100.47/59.49
6. Step 6: Final answer
   x = 68.93