Finding the Fourth Proportional to 12,711.71, 19,068.71 and 3,351.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711.71 : 19,068.71 = 3,351.61 : x
2. Step 2: Convert to fraction form
   12,711.71/19,068.71 = 3,351.61/x
3. Step 3: Cross multiply
   12,711.71x = 19,068.71 × 3,351.61
4. Step 4: Simplify right side
   12,711.71x = 63,910,767.02
5. Step 5: Solve for x
   x = 63,910,767.02/12,711.71
6. Step 6: Final answer
   x = 5,027.71