Finding the Fourth Proportional to 109,418.16, 164,144.73 and 46,238.89

Step by Step Solution

1. Step 1: Write the proportion equation
   109,418.16 : 164,144.73 = 46,238.89 : x
2. Step 2: Convert to fraction form
   109,418.16/164,144.73 = 46,238.89/x
3. Step 3: Cross multiply
   109,418.16x = 164,144.73 × 46,238.89
4. Step 4: Simplify right side
   109,418.16x = 7,589,869,877.58
5. Step 5: Solve for x
   x = 7,589,869,877.58/109,418.16
6. Step 6: Final answer
   x = 69,365.72