Finding the Fourth Proportional to 42,448.72, 63,672.36 and 14,746

Step by Step Solution

1. Step 1: Write the proportion equation
   42,448.72 : 63,672.36 = 14,746 : x
2. Step 2: Convert to fraction form
   42,448.72/63,672.36 = 14,746/x
3. Step 3: Cross multiply
   42,448.72x = 63,672.36 × 14,746
4. Step 4: Simplify right side
   42,448.72x = 938,912,620.56
5. Step 5: Solve for x
   x = 938,912,620.56/42,448.72
6. Step 6: Final answer
   x = 22,118.75