Finding the Fourth Proportional to 42,105.92, 63,116.64 and 14,384.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,105.92 : 63,116.64 = 14,384.96 : x
2. Step 2: Convert to fraction form
   42,105.92/63,116.64 = 14,384.96/x
3. Step 3: Cross multiply
   42,105.92x = 63,116.64 × 14,384.96
4. Step 4: Simplify right side
   42,105.92x = 907,930,341.73
5. Step 5: Solve for x
   x = 907,930,341.73/42,105.92
6. Step 6: Final answer
   x = 21,563.01