Finding the Fourth Proportional to 12,941.25, 19,407.78 and 8,581.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,941.25 : 19,407.78 = 8,581.83 : x
2. Step 2: Convert to fraction form
   12,941.25/19,407.78 = 8,581.83/x
3. Step 3: Cross multiply
   12,941.25x = 19,407.78 × 8,581.83
4. Step 4: Simplify right side
   12,941.25x = 166,554,268.64
5. Step 5: Solve for x
   x = 166,554,268.64/12,941.25
6. Step 6: Final answer
   x = 12,870.03