Finding the Fourth Proportional to 11,069.39, 16,580.67 and 8,951.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,069.39 : 16,580.67 = 8,951.93 : x
2. Step 2: Convert to fraction form
   11,069.39/16,580.67 = 8,951.93/x
3. Step 3: Cross multiply
   11,069.39x = 16,580.67 × 8,951.93
4. Step 4: Simplify right side
   11,069.39x = 148,429,038.64
5. Step 5: Solve for x
   x = 148,429,038.64/11,069.39
6. Step 6: Final answer
   x = 13,408.96