Finding the Fourth Proportional to 89.42, 133.77 and 59.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89.42 : 133.77 = 59.01 : x
2. Step 2: Convert to fraction form
   89.42/133.77 = 59.01/x
3. Step 3: Cross multiply
   89.42x = 133.77 × 59.01
4. Step 4: Simplify right side
   89.42x = 7,893.77
5. Step 5: Solve for x
   x = 7,893.77/89.42
6. Step 6: Final answer
   x = 88.28