Finding the Fourth Proportional to 117,892.53, 162,693.77 and 64,179.09

Step by Step Solution

1. Step 1: Write the proportion equation
   117,892.53 : 162,693.77 = 64,179.09 : x
2. Step 2: Convert to fraction form
   117,892.53/162,693.77 = 64,179.09/x
3. Step 3: Cross multiply
   117,892.53x = 162,693.77 × 64,179.09
4. Step 4: Simplify right side
   117,892.53x = 10,441,537,786.37
5. Step 5: Solve for x
   x = 10,441,537,786.37/117,892.53
6. Step 6: Final answer
   x = 88,568.27