Finding the Fourth Proportional to 117,809.31, 162,578.51 and 64,094.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,809.31 : 162,578.51 = 64,094.30 : x
2. Step 2: Convert to fraction form
   117,809.31/162,578.51 = 64,094.30/x
3. Step 3: Cross multiply
   117,809.31x = 162,578.51 × 64,094.30
4. Step 4: Simplify right side
   117,809.31x = 10,420,355,793.49
5. Step 5: Solve for x
   x = 10,420,355,793.49/117,809.31
6. Step 6: Final answer
   x = 88,451.04