Finding the Fourth Proportional to 117,816.46, 162,590.15 and 64,104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   117,816.46 : 162,590.15 = 64,104.89 : x
2. Step 2: Convert to fraction form
   117,816.46/162,590.15 = 64,104.89/x
3. Step 3: Cross multiply
   117,816.46x = 162,590.15 × 64,104.89
4. Step 4: Simplify right side
   117,816.46x = 10,422,823,028.15
5. Step 5: Solve for x
   x = 10,422,823,028.15/117,816.46
6. Step 6: Final answer
   x = 88,466.61