Finding the Fourth Proportional to 62.50, 86.16 and 59.98

Step by Step Solution

1. Step 1: Write the proportion equation
   62.50 : 86.16 = 59.98 : x
2. Step 2: Convert to fraction form
   62.50/86.16 = 59.98/x
3. Step 3: Cross multiply
   62.50x = 86.16 × 59.98
4. Step 4: Simplify right side
   62.50x = 5,167.88
5. Step 5: Solve for x
   x = 5,167.88/62.50
6. Step 6: Final answer
   x = 82.69