Finding the Fourth Proportional to 12,705.70, 19,059.27 and 3,941.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.70 : 19,059.27 = 3,941.86 : x
2. Step 2: Convert to fraction form
   12,705.70/19,059.27 = 3,941.86/x
3. Step 3: Cross multiply
   12,705.70x = 19,059.27 × 3,941.86
4. Step 4: Simplify right side
   12,705.70x = 75,128,974.04
5. Step 5: Solve for x
   x = 75,128,974.04/12,705.70
6. Step 6: Final answer
   x = 5,913.01