Finding the Fourth Proportional to 105,874.16, 146,105.73 and 57,477.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,874.16 : 146,105.73 = 57,477.06 : x
2. Step 2: Convert to fraction form
   105,874.16/146,105.73 = 57,477.06/x
3. Step 3: Cross multiply
   105,874.16x = 146,105.73 × 57,477.06
4. Step 4: Simplify right side
   105,874.16x = 8,397,727,809.55
5. Step 5: Solve for x
   x = 8,397,727,809.55/105,874.16
6. Step 6: Final answer
   x = 79,318.01