Finding the Fourth Proportional to 105,460.78, 158,173.26 and 46,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,460.78 : 158,173.26 = 46,280.56 : x
2. Step 2: Convert to fraction form
   105,460.78/158,173.26 = 46,280.56/x
3. Step 3: Cross multiply
   105,460.78x = 158,173.26 × 46,280.56
4. Step 4: Simplify right side
   105,460.78x = 7,320,347,049.83
5. Step 5: Solve for x
   x = 7,320,347,049.83/105,460.78
6. Step 6: Final answer
   x = 69,412.98