Finding the Fourth Proportional to 9,124.78, 12,595.60 and 7,104.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.78 : 12,595.60 = 7,104.19 : x
2. Step 2: Convert to fraction form
   9,124.78/12,595.60 = 7,104.19/x
3. Step 3: Cross multiply
   9,124.78x = 12,595.60 × 7,104.19
4. Step 4: Simplify right side
   9,124.78x = 89,481,535.56
5. Step 5: Solve for x
   x = 89,481,535.56/9,124.78
6. Step 6: Final answer
   x = 9,806.43