Finding the Fourth Proportional to 42,293.72, 63,447.90 and 14,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,293.72 : 63,447.90 = 14,216.52 : x
2. Step 2: Convert to fraction form
   42,293.72/63,447.90 = 14,216.52/x
3. Step 3: Cross multiply
   42,293.72x = 63,447.90 × 14,216.52
4. Step 4: Simplify right side
   42,293.72x = 902,008,339.31
5. Step 5: Solve for x
   x = 902,008,339.31/42,293.72
6. Step 6: Final answer
   x = 21,327.24