Finding the Fourth Proportional to 19,091.75, 28,641.72 and 5,763.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,091.75 : 28,641.72 = 5,763.62 : x
2. Step 2: Convert to fraction form
   19,091.75/28,641.72 = 5,763.62/x
3. Step 3: Cross multiply
   19,091.75x = 28,641.72 × 5,763.62
4. Step 4: Simplify right side
   19,091.75x = 165,079,990.23
5. Step 5: Solve for x
   x = 165,079,990.23/19,091.75
6. Step 6: Final answer
   x = 8,646.67