Finding the Fourth Proportional to 12,059.56, 16,645.53 and 7,867

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.56 : 16,645.53 = 7,867 : x
2. Step 2: Convert to fraction form
   12,059.56/16,645.53 = 7,867/x
3. Step 3: Cross multiply
   12,059.56x = 16,645.53 × 7,867
4. Step 4: Simplify right side
   12,059.56x = 130,950,384.51
5. Step 5: Solve for x
   x = 130,950,384.51/12,059.56
6. Step 6: Final answer
   x = 10,858.64