Finding the Fourth Proportional to 105,710.57, 158,589.17 and 30,836.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,710.57 : 158,589.17 = 30,836.57 : x
2. Step 2: Convert to fraction form
   105,710.57/158,589.17 = 30,836.57/x
3. Step 3: Cross multiply
   105,710.57x = 158,589.17 × 30,836.57
4. Step 4: Simplify right side
   105,710.57x = 4,890,345,094.82
5. Step 5: Solve for x
   x = 4,890,345,094.82/105,710.57
6. Step 6: Final answer
   x = 46,261.65