Finding the Fourth Proportional to 14,076.43, 19,426.06 and 7,788.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,076.43 : 19,426.06 = 7,788.80 : x
2. Step 2: Convert to fraction form
   14,076.43/19,426.06 = 7,788.80/x
3. Step 3: Cross multiply
   14,076.43x = 19,426.06 × 7,788.80
4. Step 4: Simplify right side
   14,076.43x = 151,305,754.43
5. Step 5: Solve for x
   x = 151,305,754.43/14,076.43
6. Step 6: Final answer
   x = 10,748.87