Finding the Fourth Proportional to 105,019.10, 157,387.42 and 57,563.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,019.10 : 157,387.42 = 57,563.04 : x
2. Step 2: Convert to fraction form
   105,019.10/157,387.42 = 57,563.04/x
3. Step 3: Cross multiply
   105,019.10x = 157,387.42 × 57,563.04
4. Step 4: Simplify right side
   105,019.10x = 9,059,698,352.96
5. Step 5: Solve for x
   x = 9,059,698,352.96/105,019.10
6. Step 6: Final answer
   x = 86,267.15