Finding the Fourth Proportional to 23,947.72, 35,920.62 and 9,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,947.72 : 35,920.62 = 9,156.04 : x
2. Step 2: Convert to fraction form
   23,947.72/35,920.62 = 9,156.04/x
3. Step 3: Cross multiply
   23,947.72x = 35,920.62 × 9,156.04
4. Step 4: Simplify right side
   23,947.72x = 328,890,633.54
5. Step 5: Solve for x
   x = 328,890,633.54/23,947.72
6. Step 6: Final answer
   x = 13,733.69