Finding the Fourth Proportional to 7,303.31, 10,956.78 and 2,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,303.31 : 10,956.78 = 2,109.18 : x
2. Step 2: Convert to fraction form
   7,303.31/10,956.78 = 2,109.18/x
3. Step 3: Cross multiply
   7,303.31x = 10,956.78 × 2,109.18
4. Step 4: Simplify right side
   7,303.31x = 23,109,821.24
5. Step 5: Solve for x
   x = 23,109,821.24/7,303.31
6. Step 6: Final answer
   x = 3,164.29