Finding the Fourth Proportional to 12,892.52, 19,371.06 and 8,214.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.52 : 19,371.06 = 8,214.52 : x
2. Step 2: Convert to fraction form
   12,892.52/19,371.06 = 8,214.52/x
3. Step 3: Cross multiply
   12,892.52x = 19,371.06 × 8,214.52
4. Step 4: Simplify right side
   12,892.52x = 159,123,959.79
5. Step 5: Solve for x
   x = 159,123,959.79/12,892.52
6. Step 6: Final answer
   x = 12,342.35