Finding the Fourth Proportional to 117,997.59, 162,834.78 and 64,283.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,997.59 : 162,834.78 = 64,283.25 : x
2. Step 2: Convert to fraction form
   117,997.59/162,834.78 = 64,283.25/x
3. Step 3: Cross multiply
   117,997.59x = 162,834.78 × 64,283.25
4. Step 4: Simplify right side
   117,997.59x = 10,467,548,871.44
5. Step 5: Solve for x
   x = 10,467,548,871.44/117,997.59
6. Step 6: Final answer
   x = 88,709.85