Finding the Fourth Proportional to 4,601.69, 6,347.79 and 3,111.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,601.69 : 6,347.79 = 3,111.69 : x
2. Step 2: Convert to fraction form
   4,601.69/6,347.79 = 3,111.69/x
3. Step 3: Cross multiply
   4,601.69x = 6,347.79 × 3,111.69
4. Step 4: Simplify right side
   4,601.69x = 19,752,354.67
5. Step 5: Solve for x
   x = 19,752,354.67/4,601.69
6. Step 6: Final answer
   x = 4,292.42