Finding the Fourth Proportional to 117,768.83, 162,519.62 and 64,052.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,768.83 : 162,519.62 = 64,052.69 : x
2. Step 2: Convert to fraction form
   117,768.83/162,519.62 = 64,052.69/x
3. Step 3: Cross multiply
   117,768.83x = 162,519.62 × 64,052.69
4. Step 4: Simplify right side
   117,768.83x = 10,409,817,705.92
5. Step 5: Solve for x
   x = 10,409,817,705.92/117,768.83
6. Step 6: Final answer
   x = 88,391.96