Finding the Fourth Proportional to 10,793.12, 14,864.72 and 9,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,793.12 : 14,864.72 = 9,300.49 : x
2. Step 2: Convert to fraction form
   10,793.12/14,864.72 = 9,300.49/x
3. Step 3: Cross multiply
   10,793.12x = 14,864.72 × 9,300.49
4. Step 4: Simplify right side
   10,793.12x = 138,249,096.05
5. Step 5: Solve for x
   x = 138,249,096.05/10,793.12
6. Step 6: Final answer
   x = 12,809.01