Finding the Fourth Proportional to 117,651, 162,358.38 and 64,659

Step by Step Solution

1. Step 1: Write the proportion equation
   117,651 : 162,358.38 = 64,659 : x
2. Step 2: Convert to fraction form
   117,651/162,358.38 = 64,659/x
3. Step 3: Cross multiply
   117,651x = 162,358.38 × 64,659
4. Step 4: Simplify right side
   117,651x = 10,497,930,492.42
5. Step 5: Solve for x
   x = 10,497,930,492.42/117,651
6. Step 6: Final answer
   x = 89,229.42