Finding the Fourth Proportional to 3,483.69, 5,225.49 and 886.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.69 : 5,225.49 = 886.61 : x
2. Step 2: Convert to fraction form
   3,483.69/5,225.49 = 886.61/x
3. Step 3: Cross multiply
   3,483.69x = 5,225.49 × 886.61
4. Step 4: Simplify right side
   3,483.69x = 4,632,945.56
5. Step 5: Solve for x
   x = 4,632,945.56/3,483.69
6. Step 6: Final answer
   x = 1,329.90