Finding the Fourth Proportional to 12,775.60, 17,625.43 and 9,426.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775.60 : 17,625.43 = 9,426.41 : x
2. Step 2: Convert to fraction form
   12,775.60/17,625.43 = 9,426.41/x
3. Step 3: Cross multiply
   12,775.60x = 17,625.43 × 9,426.41
4. Step 4: Simplify right side
   12,775.60x = 166,144,529.61
5. Step 5: Solve for x
   x = 166,144,529.61/12,775.60
6. Step 6: Final answer
   x = 13,004.83