Finding the Fourth Proportional to 42,171.94, 63,264.39 and 14,083.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,171.94 : 63,264.39 = 14,083.30 : x
2. Step 2: Convert to fraction form
   42,171.94/63,264.39 = 14,083.30/x
3. Step 3: Cross multiply
   42,171.94x = 63,264.39 × 14,083.30
4. Step 4: Simplify right side
   42,171.94x = 890,971,383.69
5. Step 5: Solve for x
   x = 890,971,383.69/42,171.94
6. Step 6: Final answer
   x = 21,127.11