Finding the Fourth Proportional to 112,569.78, 168,770.82 and 68,185.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,569.78 : 168,770.82 = 68,185.82 : x
2. Step 2: Convert to fraction form
   112,569.78/168,770.82 = 68,185.82/x
3. Step 3: Cross multiply
   112,569.78x = 168,770.82 × 68,185.82
4. Step 4: Simplify right side
   112,569.78x = 11,507,776,753.77
5. Step 5: Solve for x
   x = 11,507,776,753.77/112,569.78
6. Step 6: Final answer
   x = 102,227.94