Finding the Fourth Proportional to 12,857.09, 19,288.04 and 5,837.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,857.09 : 19,288.04 = 5,837.59 : x
2. Step 2: Convert to fraction form
   12,857.09/19,288.04 = 5,837.59/x
3. Step 3: Cross multiply
   12,857.09x = 19,288.04 × 5,837.59
4. Step 4: Simplify right side
   12,857.09x = 112,595,669.42
5. Step 5: Solve for x
   x = 112,595,669.42/12,857.09
6. Step 6: Final answer
   x = 8,757.48