Finding the Fourth Proportional to 19,061.52, 28,582.53 and 7,965.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,061.52 : 28,582.53 = 7,965.18 : x
2. Step 2: Convert to fraction form
   19,061.52/28,582.53 = 7,965.18/x
3. Step 3: Cross multiply
   19,061.52x = 28,582.53 × 7,965.18
4. Step 4: Simplify right side
   19,061.52x = 227,664,996.31
5. Step 5: Solve for x
   x = 227,664,996.31/19,061.52
6. Step 6: Final answer
   x = 11,943.70