Finding the Fourth Proportional to 59.42, 89.04 and 56.18

Step by Step Solution

1. Step 1: Write the proportion equation
   59.42 : 89.04 = 56.18 : x
2. Step 2: Convert to fraction form
   59.42/89.04 = 56.18/x
3. Step 3: Cross multiply
   59.42x = 89.04 × 56.18
4. Step 4: Simplify right side
   59.42x = 5,001.82
5. Step 5: Solve for x
   x = 5,001.82/59.42
6. Step 6: Final answer
   x = 84.18