Finding the Fourth Proportional to 62,978.84, 86,907.60 and 34,683.92

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.84 : 86,907.60 = 34,683.92 : x
2. Step 2: Convert to fraction form
   62,978.84/86,907.60 = 34,683.92/x
3. Step 3: Cross multiply
   62,978.84x = 86,907.60 × 34,683.92
4. Step 4: Simplify right side
   62,978.84x = 3,014,296,245.79
5. Step 5: Solve for x
   x = 3,014,296,245.79/62,978.84
6. Step 6: Final answer
   x = 47,862.05