Finding the Fourth Proportional to 39,197.92, 54,086.72 and 23,078.81

Step by Step Solution

1. Step 1: Write the proportion equation
   39,197.92 : 54,086.72 = 23,078.81 : x
2. Step 2: Convert to fraction form
   39,197.92/54,086.72 = 23,078.81/x
3. Step 3: Cross multiply
   39,197.92x = 54,086.72 × 23,078.81
4. Step 4: Simplify right side
   39,197.92x = 1,248,257,308.38
5. Step 5: Solve for x
   x = 1,248,257,308.38/39,197.92
6. Step 6: Final answer
   x = 31,844.99