Finding the Fourth Proportional to 117,757.87, 162,507.05 and 64,044.10

Step by Step Solution

1. Step 1: Write the proportion equation
   117,757.87 : 162,507.05 = 64,044.10 : x
2. Step 2: Convert to fraction form
   117,757.87/162,507.05 = 64,044.10/x
3. Step 3: Cross multiply
   117,757.87x = 162,507.05 × 64,044.10
4. Step 4: Simplify right side
   117,757.87x = 10,407,617,760.91
5. Step 5: Solve for x
   x = 10,407,617,760.91/117,757.87
6. Step 6: Final answer
   x = 88,381.50