Finding the Fourth Proportional to 62,978.67, 86,910.03 and 34,683.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.67 : 86,910.03 = 34,683.75 : x
2. Step 2: Convert to fraction form
   62,978.67/86,910.03 = 34,683.75/x
3. Step 3: Cross multiply
   62,978.67x = 86,910.03 × 34,683.75
4. Step 4: Simplify right side
   62,978.67x = 3,014,365,753.01
5. Step 5: Solve for x
   x = 3,014,365,753.01/62,978.67
6. Step 6: Final answer
   x = 47,863.28