Finding the Fourth Proportional to 13,103.46, 19,651.75 and 8,942.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.46 : 19,651.75 = 8,942.69 : x
2. Step 2: Convert to fraction form
   13,103.46/19,651.75 = 8,942.69/x
3. Step 3: Cross multiply
   13,103.46x = 19,651.75 × 8,942.69
4. Step 4: Simplify right side
   13,103.46x = 175,739,534.98
5. Step 5: Solve for x
   x = 175,739,534.98/13,103.46
6. Step 6: Final answer
   x = 13,411.69