Finding the Fourth Proportional to 19,632.96, 29,445.12 and 5,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,632.96 : 29,445.12 = 5,778.72 : x
2. Step 2: Convert to fraction form
   19,632.96/29,445.12 = 5,778.72/x
3. Step 3: Cross multiply
   19,632.96x = 29,445.12 × 5,778.72
4. Step 4: Simplify right side
   19,632.96x = 170,155,103.85
5. Step 5: Solve for x
   x = 170,155,103.85/19,632.96
6. Step 6: Final answer
   x = 8,666.81