Finding the Fourth Proportional to 122,009.94, 168,364.56 and 74,258.04

Step by Step Solution

1. Step 1: Write the proportion equation
   122,009.94 : 168,364.56 = 74,258.04 : x
2. Step 2: Convert to fraction form
   122,009.94/168,364.56 = 74,258.04/x
3. Step 3: Cross multiply
   122,009.94x = 168,364.56 × 74,258.04
4. Step 4: Simplify right side
   122,009.94x = 12,502,422,231.06
5. Step 5: Solve for x
   x = 12,502,422,231.06/122,009.94
6. Step 6: Final answer
   x = 102,470.52