Finding the Fourth Proportional to 19,264.72, 28,895.04 and 13,064.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,264.72 : 28,895.04 = 13,064.56 : x
2. Step 2: Convert to fraction form
   19,264.72/28,895.04 = 13,064.56/x
3. Step 3: Cross multiply
   19,264.72x = 28,895.04 × 13,064.56
4. Step 4: Simplify right side
   19,264.72x = 377,500,983.78
5. Step 5: Solve for x
   x = 377,500,983.78/19,264.72
6. Step 6: Final answer
   x = 19,595.46