Finding the Fourth Proportional to 42,456, 63,693.72 and 14,754

Step by Step Solution

1. Step 1: Write the proportion equation
   42,456 : 63,693.72 = 14,754 : x
2. Step 2: Convert to fraction form
   42,456/63,693.72 = 14,754/x
3. Step 3: Cross multiply
   42,456x = 63,693.72 × 14,754
4. Step 4: Simplify right side
   42,456x = 939,737,144.88
5. Step 5: Solve for x
   x = 939,737,144.88/42,456
6. Step 6: Final answer
   x = 22,134.38