Finding the Fourth Proportional to 10,789.59, 14,888.79 and 6,072.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.59 : 14,888.79 = 6,072.96 : x
2. Step 2: Convert to fraction form
   10,789.59/14,888.79 = 6,072.96/x
3. Step 3: Cross multiply
   10,789.59x = 14,888.79 × 6,072.96
4. Step 4: Simplify right side
   10,789.59x = 90,419,026.12
5. Step 5: Solve for x
   x = 90,419,026.12/10,789.59
6. Step 6: Final answer
   x = 8,380.21