Finding the Fourth Proportional to 12,850.59, 19,278.73 and 5,461.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,850.59 : 19,278.73 = 5,461.37 : x
2. Step 2: Convert to fraction form
   12,850.59/19,278.73 = 5,461.37/x
3. Step 3: Cross multiply
   12,850.59x = 19,278.73 × 5,461.37
4. Step 4: Simplify right side
   12,850.59x = 105,288,260.39
5. Step 5: Solve for x
   x = 105,288,260.39/12,850.59
6. Step 6: Final answer
   x = 8,193.26