Finding the Fourth Proportional to 42,464.78, 63,706.23 and 14,383.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464.78 : 63,706.23 = 14,383.86 : x
2. Step 2: Convert to fraction form
   42,464.78/63,706.23 = 14,383.86/x
3. Step 3: Cross multiply
   42,464.78x = 63,706.23 × 14,383.86
4. Step 4: Simplify right side
   42,464.78x = 916,341,493.45
5. Step 5: Solve for x
   x = 916,341,493.45/42,464.78
6. Step 6: Final answer
   x = 21,578.86