Finding the Fourth Proportional to 12,892.05, 19,333.17 and 4,456.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.05 : 19,333.17 = 4,456.13 : x
2. Step 2: Convert to fraction form
   12,892.05/19,333.17 = 4,456.13/x
3. Step 3: Cross multiply
   12,892.05x = 19,333.17 × 4,456.13
4. Step 4: Simplify right side
   12,892.05x = 86,151,022.17
5. Step 5: Solve for x
   x = 86,151,022.17/12,892.05
6. Step 6: Final answer
   x = 6,682.49