Finding the Fourth Proportional to 122,019.71, 168,387.27 and 68,304.83

Step by Step Solution

1. Step 1: Write the proportion equation
   122,019.71 : 168,387.27 = 68,304.83 : x
2. Step 2: Convert to fraction form
   122,019.71/168,387.27 = 68,304.83/x
3. Step 3: Cross multiply
   122,019.71x = 168,387.27 × 68,304.83
4. Step 4: Simplify right side
   122,019.71x = 11,501,663,851.51
5. Step 5: Solve for x
   x = 11,501,663,851.51/122,019.71
6. Step 6: Final answer
   x = 94,260.70