Finding the Fourth Proportional to 8,412.83, 11,609.72 and 5,055.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412.83 : 11,609.72 = 5,055.69 : x
2. Step 2: Convert to fraction form
   8,412.83/11,609.72 = 5,055.69/x
3. Step 3: Cross multiply
   8,412.83x = 11,609.72 × 5,055.69
4. Step 4: Simplify right side
   8,412.83x = 58,695,120.03
5. Step 5: Solve for x
   x = 58,695,120.03/8,412.83
6. Step 6: Final answer
   x = 6,976.86