Finding the Fourth Proportional to 13,474.71, 18,575.79 and 9,483.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,474.71 : 18,575.79 = 9,483.42 : x
2. Step 2: Convert to fraction form
   13,474.71/18,575.79 = 9,483.42/x
3. Step 3: Cross multiply
   13,474.71x = 18,575.79 × 9,483.42
4. Step 4: Simplify right side
   13,474.71x = 176,162,018.40
5. Step 5: Solve for x
   x = 176,162,018.40/13,474.71
6. Step 6: Final answer
   x = 13,073.53