Finding the Fourth Proportional to 42,327.76, 63,491.10 and 14,254

Step by Step Solution

1. Step 1: Write the proportion equation
   42,327.76 : 63,491.10 = 14,254 : x
2. Step 2: Convert to fraction form
   42,327.76/63,491.10 = 14,254/x
3. Step 3: Cross multiply
   42,327.76x = 63,491.10 × 14,254
4. Step 4: Simplify right side
   42,327.76x = 905,002,139.40
5. Step 5: Solve for x
   x = 905,002,139.40/42,327.76
6. Step 6: Final answer
   x = 21,380.82