Finding the Fourth Proportional to 112,462.57, 168,610.52 and 68,078.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,462.57 : 168,610.52 = 68,078.82 : x
2. Step 2: Convert to fraction form
   112,462.57/168,610.52 = 68,078.82/x
3. Step 3: Cross multiply
   112,462.57x = 168,610.52 × 68,078.82
4. Step 4: Simplify right side
   112,462.57x = 11,478,805,411.38
5. Step 5: Solve for x
   x = 11,478,805,411.38/112,462.57
6. Step 6: Final answer
   x = 102,067.79