Finding the Fourth Proportional to 13,463.39, 18,579.31 and 7,799.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,463.39 : 18,579.31 = 7,799.96 : x
2. Step 2: Convert to fraction form
   13,463.39/18,579.31 = 7,799.96/x
3. Step 3: Cross multiply
   13,463.39x = 18,579.31 × 7,799.96
4. Step 4: Simplify right side
   13,463.39x = 144,917,874.83
5. Step 5: Solve for x
   x = 144,917,874.83/13,463.39
6. Step 6: Final answer
   x = 10,763.85