Finding the Fourth Proportional to 122,005.36, 168,367.20 and 68,300.71

Step by Step Solution

1. Step 1: Write the proportion equation
   122,005.36 : 168,367.20 = 68,300.71 : x
2. Step 2: Convert to fraction form
   122,005.36/168,367.20 = 68,300.71/x
3. Step 3: Cross multiply
   122,005.36x = 168,367.20 × 68,300.71
4. Step 4: Simplify right side
   122,005.36x = 11,499,599,300.71
5. Step 5: Solve for x
   x = 11,499,599,300.71/122,005.36
6. Step 6: Final answer
   x = 94,254.87