Finding the Fourth Proportional to 42,169.31, 63,233.29 and 14,079.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,169.31 : 63,233.29 = 14,079.73 : x
2. Step 2: Convert to fraction form
   42,169.31/63,233.29 = 14,079.73/x
3. Step 3: Cross multiply
   42,169.31x = 63,233.29 × 14,079.73
4. Step 4: Simplify right side
   42,169.31x = 890,307,650.21
5. Step 5: Solve for x
   x = 890,307,650.21/42,169.31
6. Step 6: Final answer
   x = 21,112.69