Finding the Fourth Proportional to 3,668.61, 5,061.42 and 2,176.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.61 : 5,061.42 = 2,176.82 : x
2. Step 2: Convert to fraction form
   3,668.61/5,061.42 = 2,176.82/x
3. Step 3: Cross multiply
   3,668.61x = 5,061.42 × 2,176.82
4. Step 4: Simplify right side
   3,668.61x = 11,017,774.98
5. Step 5: Solve for x
   x = 11,017,774.98/3,668.61
6. Step 6: Final answer
   x = 3,003.26