Finding the Fourth Proportional to 62.50, 86.23 and 42.83

Step by Step Solution

1. Step 1: Write the proportion equation
   62.50 : 86.23 = 42.83 : x
2. Step 2: Convert to fraction form
   62.50/86.23 = 42.83/x
3. Step 3: Cross multiply
   62.50x = 86.23 × 42.83
4. Step 4: Simplify right side
   62.50x = 3,693.00
5. Step 5: Solve for x
   x = 3,693.00/62.50
6. Step 6: Final answer
   x = 59.09