Finding the Fourth Proportional to 7,130.71, 10,697.89 and 2,969.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,130.71 : 10,697.89 = 2,969.34 : x
2. Step 2: Convert to fraction form
   7,130.71/10,697.89 = 2,969.34/x
3. Step 3: Cross multiply
   7,130.71x = 10,697.89 × 2,969.34
4. Step 4: Simplify right side
   7,130.71x = 31,765,672.69
5. Step 5: Solve for x
   x = 31,765,672.69/7,130.71
6. Step 6: Final answer
   x = 4,454.77