Finding the Fourth Proportional to 7,089.30, 10,627.09 and 3,970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,089.30 : 10,627.09 = 3,970.82 : x
2. Step 2: Convert to fraction form
   7,089.30/10,627.09 = 3,970.82/x
3. Step 3: Cross multiply
   7,089.30x = 10,627.09 × 3,970.82
4. Step 4: Simplify right side
   7,089.30x = 42,198,261.51
5. Step 5: Solve for x
   x = 42,198,261.51/7,089.30
6. Step 6: Final answer
   x = 5,952.39