Finding the Fourth Proportional to 7,002.80, 10,504.74 and 2,072.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.80 : 10,504.74 = 2,072.34 : x
2. Step 2: Convert to fraction form
   7,002.80/10,504.74 = 2,072.34/x
3. Step 3: Cross multiply
   7,002.80x = 10,504.74 × 2,072.34
4. Step 4: Simplify right side
   7,002.80x = 21,769,392.89
5. Step 5: Solve for x
   x = 21,769,392.89/7,002.80
6. Step 6: Final answer
   x = 3,108.67