Finding the Fourth Proportional to 12,535.39, 17,259.37 and 9,541.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.39 : 17,259.37 = 9,541.63 : x
2. Step 2: Convert to fraction form
   12,535.39/17,259.37 = 9,541.63/x
3. Step 3: Cross multiply
   12,535.39x = 17,259.37 × 9,541.63
4. Step 4: Simplify right side
   12,535.39x = 164,682,522.57
5. Step 5: Solve for x
   x = 164,682,522.57/12,535.39
6. Step 6: Final answer
   x = 13,137.41