Finding the Fourth Proportional to 12,954.89, 17,877.35 and 7,289.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.89 : 17,877.35 = 7,289.96 : x
2. Step 2: Convert to fraction form
   12,954.89/17,877.35 = 7,289.96/x
3. Step 3: Cross multiply
   12,954.89x = 17,877.35 × 7,289.96
4. Step 4: Simplify right side
   12,954.89x = 130,325,040.57
5. Step 5: Solve for x
   x = 130,325,040.57/12,954.89
6. Step 6: Final answer
   x = 10,059.91