Finding the Fourth Proportional to 14,216.76, 19,618.89 and 7,843.97

Step by Step Solution

1. Step 1: Write the proportion equation
   14,216.76 : 19,618.89 = 7,843.97 : x
2. Step 2: Convert to fraction form
   14,216.76/19,618.89 = 7,843.97/x
3. Step 3: Cross multiply
   14,216.76x = 19,618.89 × 7,843.97
4. Step 4: Simplify right side
   14,216.76x = 153,889,984.59
5. Step 5: Solve for x
   x = 153,889,984.59/14,216.76
6. Step 6: Final answer
   x = 10,824.55