Finding the Fourth Proportional to 7,002.38, 10,505.34 and 2,072

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.38 : 10,505.34 = 2,072 : x
2. Step 2: Convert to fraction form
   7,002.38/10,505.34 = 2,072/x
3. Step 3: Cross multiply
   7,002.38x = 10,505.34 × 2,072
4. Step 4: Simplify right side
   7,002.38x = 21,767,064.48
5. Step 5: Solve for x
   x = 21,767,064.48/7,002.38
6. Step 6: Final answer
   x = 3,108.52