Finding the Fourth Proportional to 122,019.21, 168,386.58 and 68,304.33

Step by Step Solution

1. Step 1: Write the proportion equation
   122,019.21 : 168,386.58 = 68,304.33 : x
2. Step 2: Convert to fraction form
   122,019.21/168,386.58 = 68,304.33/x
3. Step 3: Cross multiply
   122,019.21x = 168,386.58 × 68,304.33
4. Step 4: Simplify right side
   122,019.21x = 11,501,532,527.89
5. Step 5: Solve for x
   x = 11,501,532,527.89/122,019.21
6. Step 6: Final answer
   x = 94,260.01