Finding the Fourth Proportional to 3,601.89, 5,402.88 and 1,411.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.89 : 5,402.88 = 1,411.65 : x
2. Step 2: Convert to fraction form
   3,601.89/5,402.88 = 1,411.65/x
3. Step 3: Cross multiply
   3,601.89x = 5,402.88 × 1,411.65
4. Step 4: Simplify right side
   3,601.89x = 7,626,975.55
5. Step 5: Solve for x
   x = 7,626,975.55/3,601.89
6. Step 6: Final answer
   x = 2,117.49