Finding the Fourth Proportional to 14,412.82, 19,889.70 and 7,788.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,412.82 : 19,889.70 = 7,788.82 : x
2. Step 2: Convert to fraction form
   14,412.82/19,889.70 = 7,788.82/x
3. Step 3: Cross multiply
   14,412.82x = 19,889.70 × 7,788.82
4. Step 4: Simplify right side
   14,412.82x = 154,917,293.15
5. Step 5: Solve for x
   x = 154,917,293.15/14,412.82
6. Step 6: Final answer
   x = 10,748.58