Finding the Fourth Proportional to 9,195.43, 12,689.78 and 5,003.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,195.43 : 12,689.78 = 5,003.59 : x
2. Step 2: Convert to fraction form
   9,195.43/12,689.78 = 5,003.59/x
3. Step 3: Cross multiply
   9,195.43x = 12,689.78 × 5,003.59
4. Step 4: Simplify right side
   9,195.43x = 63,494,456.31
5. Step 5: Solve for x
   x = 63,494,456.31/9,195.43
6. Step 6: Final answer
   x = 6,905.00