Finding the Fourth Proportional to 57,168.34, 78,884.42 and 31,668.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,168.34 : 78,884.42 = 31,668.38 : x
2. Step 2: Convert to fraction form
   57,168.34/78,884.42 = 31,668.38/x
3. Step 3: Cross multiply
   57,168.34x = 78,884.42 × 31,668.38
4. Step 4: Simplify right side
   57,168.34x = 2,498,141,788.64
5. Step 5: Solve for x
   x = 2,498,141,788.64/57,168.34
6. Step 6: Final answer
   x = 43,697.99