Finding the Fourth Proportional to 11,667.14, 16,108.57 and 8,973.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.14 : 16,108.57 = 8,973.59 : x
2. Step 2: Convert to fraction form
   11,667.14/16,108.57 = 8,973.59/x
3. Step 3: Cross multiply
   11,667.14x = 16,108.57 × 8,973.59
4. Step 4: Simplify right side
   11,667.14x = 144,551,702.67
5. Step 5: Solve for x
   x = 144,551,702.67/11,667.14
6. Step 6: Final answer
   x = 12,389.64