Finding the Fourth Proportional to 141.59, 212.31 and 59.29

Step by Step Solution

1. Step 1: Write the proportion equation
   141.59 : 212.31 = 59.29 : x
2. Step 2: Convert to fraction form
   141.59/212.31 = 59.29/x
3. Step 3: Cross multiply
   141.59x = 212.31 × 59.29
4. Step 4: Simplify right side
   141.59x = 12,587.33
5. Step 5: Solve for x
   x = 12,587.33/141.59
6. Step 6: Final answer
   x = 88.90