Finding the Fourth Proportional to 140.52, 210.72 and 59.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140.52 : 210.72 = 59.34 : x
2. Step 2: Convert to fraction form
   140.52/210.72 = 59.34/x
3. Step 3: Cross multiply
   140.52x = 210.72 × 59.34
4. Step 4: Simplify right side
   140.52x = 12,504.12
5. Step 5: Solve for x
   x = 12,504.12/140.52
6. Step 6: Final answer
   x = 88.98