Finding the Fourth Proportional to 12,733.48, 19,103.88 and 5,715.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,733.48 : 19,103.88 = 5,715.56 : x
2. Step 2: Convert to fraction form
   12,733.48/19,103.88 = 5,715.56/x
3. Step 3: Cross multiply
   12,733.48x = 19,103.88 × 5,715.56
4. Step 4: Simplify right side
   12,733.48x = 109,189,372.37
5. Step 5: Solve for x
   x = 109,189,372.37/12,733.48
6. Step 6: Final answer
   x = 8,574.98