Finding the Fourth Proportional to 42,109.46, 63,143.00 and 14,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.46 : 63,143.00 = 14,019.50 : x
2. Step 2: Convert to fraction form
   42,109.46/63,143.00 = 14,019.50/x
3. Step 3: Cross multiply
   42,109.46x = 63,143.00 × 14,019.50
4. Step 4: Simplify right side
   42,109.46x = 885,232,902.69
5. Step 5: Solve for x
   x = 885,232,902.69/42,109.46
6. Step 6: Final answer
   x = 21,022.19