Finding the Fourth Proportional to 12,954.52, 17,883.30 and 8,478.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.52 : 17,883.30 = 8,478.46 : x
2. Step 2: Convert to fraction form
   12,954.52/17,883.30 = 8,478.46/x
3. Step 3: Cross multiply
   12,954.52x = 17,883.30 × 8,478.46
4. Step 4: Simplify right side
   12,954.52x = 151,622,843.72
5. Step 5: Solve for x
   x = 151,622,843.72/12,954.52
6. Step 6: Final answer
   x = 11,704.24