Finding the Fourth Proportional to 10,704.20, 14,769.58 and 7,345.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,704.20 : 14,769.58 = 7,345.79 : x
2. Step 2: Convert to fraction form
   10,704.20/14,769.58 = 7,345.79/x
3. Step 3: Cross multiply
   10,704.20x = 14,769.58 × 7,345.79
4. Step 4: Simplify right side
   10,704.20x = 108,494,140.86
5. Step 5: Solve for x
   x = 108,494,140.86/10,704.20
6. Step 6: Final answer
   x = 10,135.67