Finding the Fourth Proportional to 10,627.70, 16,003.56 and 7,873.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,627.70 : 16,003.56 = 7,873.89 : x
2. Step 2: Convert to fraction form
   10,627.70/16,003.56 = 7,873.89/x
3. Step 3: Cross multiply
   10,627.70x = 16,003.56 × 7,873.89
4. Step 4: Simplify right side
   10,627.70x = 126,010,271.05
5. Step 5: Solve for x
   x = 126,010,271.05/10,627.70
6. Step 6: Final answer
   x = 11,856.78