Finding the Fourth Proportional to 3,061.12, 4,218.60 and 3,004.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.12 : 4,218.60 = 3,004.96 : x
2. Step 2: Convert to fraction form
   3,061.12/4,218.60 = 3,004.96/x
3. Step 3: Cross multiply
   3,061.12x = 4,218.60 × 3,004.96
4. Step 4: Simplify right side
   3,061.12x = 12,676,724.26
5. Step 5: Solve for x
   x = 12,676,724.26/3,061.12
6. Step 6: Final answer
   x = 4,141.20