Finding the Fourth Proportional to 7,069.37, 10,606.34 and 2,139.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,069.37 : 10,606.34 = 2,139.51 : x
2. Step 2: Convert to fraction form
   7,069.37/10,606.34 = 2,139.51/x
3. Step 3: Cross multiply
   7,069.37x = 10,606.34 × 2,139.51
4. Step 4: Simplify right side
   7,069.37x = 22,692,359.80
5. Step 5: Solve for x
   x = 22,692,359.80/7,069.37
6. Step 6: Final answer
   x = 3,209.96