Finding the Fourth Proportional to 62,978.22, 86,913.89 and 34,683.90

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.22 : 86,913.89 = 34,683.90 : x
2. Step 2: Convert to fraction form
   62,978.22/86,913.89 = 34,683.90/x
3. Step 3: Cross multiply
   62,978.22x = 86,913.89 × 34,683.90
4. Step 4: Simplify right side
   62,978.22x = 3,014,512,669.37
5. Step 5: Solve for x
   x = 3,014,512,669.37/62,978.22
6. Step 6: Final answer
   x = 47,865.96