Finding the Fourth Proportional to 12,574.72, 17,353.41 and 6,909.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,574.72 : 17,353.41 = 6,909.83 : x
2. Step 2: Convert to fraction form
   12,574.72/17,353.41 = 6,909.83/x
3. Step 3: Cross multiply
   12,574.72x = 17,353.41 × 6,909.83
4. Step 4: Simplify right side
   12,574.72x = 119,909,113.02
5. Step 5: Solve for x
   x = 119,909,113.02/12,574.72
6. Step 6: Final answer
   x = 9,535.73