Finding the Fourth Proportional to 8,470.38, 12,704.76 and 2,924.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,470.38 : 12,704.76 = 2,924.13 : x
2. Step 2: Convert to fraction form
   8,470.38/12,704.76 = 2,924.13/x
3. Step 3: Cross multiply
   8,470.38x = 12,704.76 × 2,924.13
4. Step 4: Simplify right side
   8,470.38x = 37,150,369.86
5. Step 5: Solve for x
   x = 37,150,369.86/8,470.38
6. Step 6: Final answer
   x = 4,385.92