Finding the Fourth Proportional to 105,885.32, 146,110.98 and 63,442.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,885.32 : 146,110.98 = 63,442.76 : x
2. Step 2: Convert to fraction form
   105,885.32/146,110.98 = 63,442.76/x
3. Step 3: Cross multiply
   105,885.32x = 146,110.98 × 63,442.76
4. Step 4: Simplify right side
   105,885.32x = 9,269,683,837.50
5. Step 5: Solve for x
   x = 9,269,683,837.50/105,885.32
6. Step 6: Final answer
   x = 87,544.56