Finding the Fourth Proportional to 23,274.51, 34,890.59 and 8,480.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,274.51 : 34,890.59 = 8,480.06 : x
2. Step 2: Convert to fraction form
   23,274.51/34,890.59 = 8,480.06/x
3. Step 3: Cross multiply
   23,274.51x = 34,890.59 × 8,480.06
4. Step 4: Simplify right side
   23,274.51x = 295,874,079.78
5. Step 5: Solve for x
   x = 295,874,079.78/23,274.51
6. Step 6: Final answer
   x = 12,712.37