Finding the Fourth Proportional to 105,422.48, 158,152.92 and 50,018

Step by Step Solution

1. Step 1: Write the proportion equation
   105,422.48 : 158,152.92 = 50,018 : x
2. Step 2: Convert to fraction form
   105,422.48/158,152.92 = 50,018/x
3. Step 3: Cross multiply
   105,422.48x = 158,152.92 × 50,018
4. Step 4: Simplify right side
   105,422.48x = 7,910,492,752.56
5. Step 5: Solve for x
   x = 7,910,492,752.56/105,422.48
6. Step 6: Final answer
   x = 75,036.11