Finding the Fourth Proportional to 105,279, 157,929.12 and 34,198.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,279 : 157,929.12 = 34,198.68 : x
2. Step 2: Convert to fraction form
   105,279/157,929.12 = 34,198.68/x
3. Step 3: Cross multiply
   105,279x = 157,929.12 × 34,198.68
4. Step 4: Simplify right side
   105,279x = 5,400,967,437.56
5. Step 5: Solve for x
   x = 5,400,967,437.56/105,279
6. Step 6: Final answer
   x = 51,301.47