Finding the Fourth Proportional to 62.56, 86.42 and 59.74

Step by Step Solution

1. Step 1: Write the proportion equation
   62.56 : 86.42 = 59.74 : x
2. Step 2: Convert to fraction form
   62.56/86.42 = 59.74/x
3. Step 3: Cross multiply
   62.56x = 86.42 × 59.74
4. Step 4: Simplify right side
   62.56x = 5,162.22
5. Step 5: Solve for x
   x = 5,162.22/62.56
6. Step 6: Final answer
   x = 82.52