Finding the Fourth Proportional to 3,059.12, 4,215.84 and 3,002.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.12 : 4,215.84 = 3,002.96 : x
2. Step 2: Convert to fraction form
   3,059.12/4,215.84 = 3,002.96/x
3. Step 3: Cross multiply
   3,059.12x = 4,215.84 × 3,002.96
4. Step 4: Simplify right side
   3,059.12x = 12,659,998.89
5. Step 5: Solve for x
   x = 12,659,998.89/3,059.12
6. Step 6: Final answer
   x = 4,138.44