Finding the Fourth Proportional to 12,502.81, 17,259.53 and 8,474.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,502.81 : 17,259.53 = 8,474.63 : x
2. Step 2: Convert to fraction form
   12,502.81/17,259.53 = 8,474.63/x
3. Step 3: Cross multiply
   12,502.81x = 17,259.53 × 8,474.63
4. Step 4: Simplify right side
   12,502.81x = 146,268,049.72
5. Step 5: Solve for x
   x = 146,268,049.72/12,502.81
6. Step 6: Final answer
   x = 11,698.82