Finding the Fourth Proportional to 105,919.16, 146,167.66 and 57,522.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,919.16 : 146,167.66 = 57,522.04 : x
2. Step 2: Convert to fraction form
   105,919.16/146,167.66 = 57,522.04/x
3. Step 3: Cross multiply
   105,919.16x = 146,167.66 × 57,522.04
4. Step 4: Simplify right side
   105,919.16x = 8,407,861,985.23
5. Step 5: Solve for x
   x = 8,407,861,985.23/105,919.16
6. Step 6: Final answer
   x = 79,379.99