Finding the Fourth Proportional to 122,501.16, 169,067.25 and 74,744.37

Step by Step Solution

1. Step 1: Write the proportion equation
   122,501.16 : 169,067.25 = 74,744.37 : x
2. Step 2: Convert to fraction form
   122,501.16/169,067.25 = 74,744.37/x
3. Step 3: Cross multiply
   122,501.16x = 169,067.25 × 74,744.37
4. Step 4: Simplify right side
   122,501.16x = 12,636,825,088.88
5. Step 5: Solve for x
   x = 12,636,825,088.88/122,501.16
6. Step 6: Final answer
   x = 103,156.78