Finding the Fourth Proportional to 140.52, 210.71 and 59.32

Step by Step Solution

1. Step 1: Write the proportion equation
   140.52 : 210.71 = 59.32 : x
2. Step 2: Convert to fraction form
   140.52/210.71 = 59.32/x
3. Step 3: Cross multiply
   140.52x = 210.71 × 59.32
4. Step 4: Simplify right side
   140.52x = 12,498.26
5. Step 5: Solve for x
   x = 12,498.26/140.52
6. Step 6: Final answer
   x = 88.94