Finding the Fourth Proportional to 19,017.96, 28,514.79 and 7,932.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,017.96 : 28,514.79 = 7,932.30 : x
2. Step 2: Convert to fraction form
   19,017.96/28,514.79 = 7,932.30/x
3. Step 3: Cross multiply
   19,017.96x = 28,514.79 × 7,932.30
4. Step 4: Simplify right side
   19,017.96x = 226,187,868.72
5. Step 5: Solve for x
   x = 226,187,868.72/19,017.96
6. Step 6: Final answer
   x = 11,893.38