Finding the Fourth Proportional to 42,411.43, 63,616.50 and 14,351.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,411.43 : 63,616.50 = 14,351.21 : x
2. Step 2: Convert to fraction form
   42,411.43/63,616.50 = 14,351.21/x
3. Step 3: Cross multiply
   42,411.43x = 63,616.50 × 14,351.21
4. Step 4: Simplify right side
   42,411.43x = 912,973,432.88
5. Step 5: Solve for x
   x = 912,973,432.88/42,411.43
6. Step 6: Final answer
   x = 21,526.59