Finding the Fourth Proportional to 59.23, 88.71 and 42.13

Step by Step Solution

1. Step 1: Write the proportion equation
   59.23 : 88.71 = 42.13 : x
2. Step 2: Convert to fraction form
   59.23/88.71 = 42.13/x
3. Step 3: Cross multiply
   59.23x = 88.71 × 42.13
4. Step 4: Simplify right side
   59.23x = 3,737.35
5. Step 5: Solve for x
   x = 3,737.35/59.23
6. Step 6: Final answer
   x = 63.10