Finding the Fourth Proportional to 105,158.59, 157,790.46 and 49,003.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,158.59 : 157,790.46 = 49,003.10 : x
2. Step 2: Convert to fraction form
   105,158.59/157,790.46 = 49,003.10/x
3. Step 3: Cross multiply
   105,158.59x = 157,790.46 × 49,003.10
4. Step 4: Simplify right side
   105,158.59x = 7,732,220,708.75
5. Step 5: Solve for x
   x = 7,732,220,708.75/105,158.59
6. Step 6: Final answer
   x = 73,529.14