Finding the Fourth Proportional to 11,586.72, 17,386.32 and 7,692.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,586.72 : 17,386.32 = 7,692.96 : x
2. Step 2: Convert to fraction form
   11,586.72/17,386.32 = 7,692.96/x
3. Step 3: Cross multiply
   11,586.72x = 17,386.32 × 7,692.96
4. Step 4: Simplify right side
   11,586.72x = 133,752,264.31
5. Step 5: Solve for x
   x = 133,752,264.31/11,586.72
6. Step 6: Final answer
   x = 11,543.58