Finding the Fourth Proportional to 105,179.15, 146,127.07 and 103,918.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,179.15 : 146,127.07 = 103,918.01 : x
2. Step 2: Convert to fraction form
   105,179.15/146,127.07 = 103,918.01/x
3. Step 3: Cross multiply
   105,179.15x = 146,127.07 × 103,918.01
4. Step 4: Simplify right side
   105,179.15x = 15,185,234,895.89
5. Step 5: Solve for x
   x = 15,185,234,895.89/105,179.15
6. Step 6: Final answer
   x = 144,374.96