Finding the Fourth Proportional to 13,615.98, 18,789.46 and 7,951.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,615.98 : 18,789.46 = 7,951.04 : x
2. Step 2: Convert to fraction form
   13,615.98/18,789.46 = 7,951.04/x
3. Step 3: Cross multiply
   13,615.98x = 18,789.46 × 7,951.04
4. Step 4: Simplify right side
   13,615.98x = 149,395,748.04
5. Step 5: Solve for x
   x = 149,395,748.04/13,615.98
6. Step 6: Final answer
   x = 10,972.09