Finding the Fourth Proportional to 42,540.53, 63,813.89 and 14,449.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,540.53 : 63,813.89 = 14,449.19 : x
2. Step 2: Convert to fraction form
   42,540.53/63,813.89 = 14,449.19/x
3. Step 3: Cross multiply
   42,540.53x = 63,813.89 × 14,449.19
4. Step 4: Simplify right side
   42,540.53x = 922,058,738.30
5. Step 5: Solve for x
   x = 922,058,738.30/42,540.53
6. Step 6: Final answer
   x = 21,674.83