Finding the Fourth Proportional to 105,903.62, 146,162.30 and 63,466.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,903.62 : 146,162.30 = 63,466.10 : x
2. Step 2: Convert to fraction form
   105,903.62/146,162.30 = 63,466.10/x
3. Step 3: Cross multiply
   105,903.62x = 146,162.30 × 63,466.10
4. Step 4: Simplify right side
   105,903.62x = 9,276,351,148.03
5. Step 5: Solve for x
   x = 9,276,351,148.03/105,903.62
6. Step 6: Final answer
   x = 87,592.39