Finding the Fourth Proportional to 42,257.72, 63,396.59 and 13,794.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,257.72 : 63,396.59 = 13,794.53 : x
2. Step 2: Convert to fraction form
   42,257.72/63,396.59 = 13,794.53/x
3. Step 3: Cross multiply
   42,257.72x = 63,396.59 × 13,794.53
4. Step 4: Simplify right side
   42,257.72x = 874,525,776.70
5. Step 5: Solve for x
   x = 874,525,776.70/42,257.72
6. Step 6: Final answer
   x = 20,695.05