Finding the Fourth Proportional to 4,792.86, 6,609.69 and 3,112.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,792.86 : 6,609.69 = 3,112.47 : x
2. Step 2: Convert to fraction form
   4,792.86/6,609.69 = 3,112.47/x
3. Step 3: Cross multiply
   4,792.86x = 6,609.69 × 3,112.47
4. Step 4: Simplify right side
   4,792.86x = 20,572,461.83
5. Step 5: Solve for x
   x = 20,572,461.83/4,792.86
6. Step 6: Final answer
   x = 4,292.31