Finding the Fourth Proportional to 117,819.74, 162,586.37 and 64,104.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,819.74 : 162,586.37 = 64,104.96 : x
2. Step 2: Convert to fraction form
   117,819.74/162,586.37 = 64,104.96/x
3. Step 3: Cross multiply
   117,819.74x = 162,586.37 × 64,104.96
4. Step 4: Simplify right side
   117,819.74x = 10,422,592,424.87
5. Step 5: Solve for x
   x = 10,422,592,424.87/117,819.74
6. Step 6: Final answer
   x = 88,462.20