Finding the Fourth Proportional to 12,797.60, 17,653.55 and 7,491.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.60 : 17,653.55 = 7,491.39 : x
2. Step 2: Convert to fraction form
   12,797.60/17,653.55 = 7,491.39/x
3. Step 3: Cross multiply
   12,797.60x = 17,653.55 × 7,491.39
4. Step 4: Simplify right side
   12,797.60x = 132,249,590.48
5. Step 5: Solve for x
   x = 132,249,590.48/12,797.60
6. Step 6: Final answer
   x = 10,333.94