Finding the Fourth Proportional to 42,242.15, 63,377.31 and 14,165

Step by Step Solution

1. Step 1: Write the proportion equation
   42,242.15 : 63,377.31 = 14,165 : x
2. Step 2: Convert to fraction form
   42,242.15/63,377.31 = 14,165/x
3. Step 3: Cross multiply
   42,242.15x = 63,377.31 × 14,165
4. Step 4: Simplify right side
   42,242.15x = 897,739,596.15
5. Step 5: Solve for x
   x = 897,739,596.15/42,242.15
6. Step 6: Final answer
   x = 21,252.22