Finding the Fourth Proportional to 14,257.89, 19,675.77 and 7,970.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,257.89 : 19,675.77 = 7,970.27 : x
2. Step 2: Convert to fraction form
   14,257.89/19,675.77 = 7,970.27/x
3. Step 3: Cross multiply
   14,257.89x = 19,675.77 × 7,970.27
4. Step 4: Simplify right side
   14,257.89x = 156,821,071.09
5. Step 5: Solve for x
   x = 156,821,071.09/14,257.89
6. Step 6: Final answer
   x = 10,998.90