Finding the Fourth Proportional to 11,667.19, 17,506.94 and 5,085.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.19 : 17,506.94 = 5,085.69 : x
2. Step 2: Convert to fraction form
   11,667.19/17,506.94 = 5,085.69/x
3. Step 3: Cross multiply
   11,667.19x = 17,506.94 × 5,085.69
4. Step 4: Simplify right side
   11,667.19x = 89,034,778.61
5. Step 5: Solve for x
   x = 89,034,778.61/11,667.19
6. Step 6: Final answer
   x = 7,631.21