Finding the Fourth Proportional to 62,978.17, 86,909.34 and 34,683.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.17 : 86,909.34 = 34,683.25 : x
2. Step 2: Convert to fraction form
   62,978.17/86,909.34 = 34,683.25/x
3. Step 3: Cross multiply
   62,978.17x = 86,909.34 × 34,683.25
4. Step 4: Simplify right side
   62,978.17x = 3,014,298,366.56
5. Step 5: Solve for x
   x = 3,014,298,366.56/62,978.17
6. Step 6: Final answer
   x = 47,862.59