Finding the Fourth Proportional to 62,978.05, 86,905.77 and 34,683.74

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.05 : 86,905.77 = 34,683.74 : x
2. Step 2: Convert to fraction form
   62,978.05/86,905.77 = 34,683.74/x
3. Step 3: Cross multiply
   62,978.05x = 86,905.77 × 34,683.74
4. Step 4: Simplify right side
   62,978.05x = 3,014,217,131.18
5. Step 5: Solve for x
   x = 3,014,217,131.18/62,978.05
6. Step 6: Final answer
   x = 47,861.39