Finding the Fourth Proportional to 19,061.18, 28,586.58 and 7,965.54

Step by Step Solution

1. Step 1: Write the proportion equation
   19,061.18 : 28,586.58 = 7,965.54 : x
2. Step 2: Convert to fraction form
   19,061.18/28,586.58 = 7,965.54/x
3. Step 3: Cross multiply
   19,061.18x = 28,586.58 × 7,965.54
4. Step 4: Simplify right side
   19,061.18x = 227,707,546.45
5. Step 5: Solve for x
   x = 227,707,546.45/19,061.18
6. Step 6: Final answer
   x = 11,946.14