Finding the Fourth Proportional to 11,667.59, 16,107.45 and 9,374.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.59 : 16,107.45 = 9,374.09 : x
2. Step 2: Convert to fraction form
   11,667.59/16,107.45 = 9,374.09/x
3. Step 3: Cross multiply
   11,667.59x = 16,107.45 × 9,374.09
4. Step 4: Simplify right side
   11,667.59x = 150,992,685.97
5. Step 5: Solve for x
   x = 150,992,685.97/11,667.59
6. Step 6: Final answer
   x = 12,941.21