Finding the Fourth Proportional to 116,112.78, 160,250.46 and 68,370.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,112.78 : 160,250.46 = 68,370.56 : x
2. Step 2: Convert to fraction form
   116,112.78/160,250.46 = 68,370.56/x
3. Step 3: Cross multiply
   116,112.78x = 160,250.46 × 68,370.56
4. Step 4: Simplify right side
   116,112.78x = 10,956,413,690.46
5. Step 5: Solve for x
   x = 10,956,413,690.46/116,112.78
6. Step 6: Final answer
   x = 94,360.10