Finding the Fourth Proportional to 11,667.35, 17,508.33 and 7,774.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.35 : 17,508.33 = 7,774.49 : x
2. Step 2: Convert to fraction form
   11,667.35/17,508.33 = 7,774.49/x
3. Step 3: Cross multiply
   11,667.35x = 17,508.33 × 7,774.49
4. Step 4: Simplify right side
   11,667.35x = 136,118,336.50
5. Step 5: Solve for x
   x = 136,118,336.50/11,667.35
6. Step 6: Final answer
   x = 11,666.60