Finding the Fourth Proportional to 23,265.72, 34,878.42 and 9,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,265.72 : 34,878.42 = 9,405.72 : x
2. Step 2: Convert to fraction form
   23,265.72/34,878.42 = 9,405.72/x
3. Step 3: Cross multiply
   23,265.72x = 34,878.42 × 9,405.72
4. Step 4: Simplify right side
   23,265.72x = 328,056,652.56
5. Step 5: Solve for x
   x = 328,056,652.56/23,265.72
6. Step 6: Final answer
   x = 14,100.43