Finding the Fourth Proportional to 7,301.31, 10,953.78 and 2,107.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,301.31 : 10,953.78 = 2,107.18 : x
2. Step 2: Convert to fraction form
   7,301.31/10,953.78 = 2,107.18/x
3. Step 3: Cross multiply
   7,301.31x = 10,953.78 × 2,107.18
4. Step 4: Simplify right side
   7,301.31x = 23,081,586.14
5. Step 5: Solve for x
   x = 23,081,586.14/7,301.31
6. Step 6: Final answer
   x = 3,161.29