Finding the Fourth Proportional to 9,404.10, 12,974.38 and 7,162.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.10 : 12,974.38 = 7,162.43 : x
2. Step 2: Convert to fraction form
   9,404.10/12,974.38 = 7,162.43/x
3. Step 3: Cross multiply
   9,404.10x = 12,974.38 × 7,162.43
4. Step 4: Simplify right side
   9,404.10x = 92,928,005.77
5. Step 5: Solve for x
   x = 92,928,005.77/9,404.10
6. Step 6: Final answer
   x = 9,881.65