Finding the Fourth Proportional to 23,426.16, 35,139.42 and 7,845

Step by Step Solution

1. Step 1: Write the proportion equation
   23,426.16 : 35,139.42 = 7,845 : x
2. Step 2: Convert to fraction form
   23,426.16/35,139.42 = 7,845/x
3. Step 3: Cross multiply
   23,426.16x = 35,139.42 × 7,845
4. Step 4: Simplify right side
   23,426.16x = 275,668,749.90
5. Step 5: Solve for x
   x = 275,668,749.90/23,426.16
6. Step 6: Final answer
   x = 11,767.56