Finding the Fourth Proportional to 105,541.98, 158,147.73 and 63,318.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,541.98 : 158,147.73 = 63,318.30 : x
2. Step 2: Convert to fraction form
   105,541.98/158,147.73 = 63,318.30/x
3. Step 3: Cross multiply
   105,541.98x = 158,147.73 × 63,318.30
4. Step 4: Simplify right side
   105,541.98x = 10,013,645,412.46
5. Step 5: Solve for x
   x = 10,013,645,412.46/105,541.98
6. Step 6: Final answer
   x = 94,878.32