Finding the Fourth Proportional to 19,271.27, 28,908.72 and 7,581.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,271.27 : 28,908.72 = 7,581.75 : x
2. Step 2: Convert to fraction form
   19,271.27/28,908.72 = 7,581.75/x
3. Step 3: Cross multiply
   19,271.27x = 28,908.72 × 7,581.75
4. Step 4: Simplify right side
   19,271.27x = 219,178,687.86
5. Step 5: Solve for x
   x = 219,178,687.86/19,271.27
6. Step 6: Final answer
   x = 11,373.34