Finding the Fourth Proportional to 11,776.68, 17,662.96 and 3,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776.68 : 17,662.96 = 3,456.56 : x
2. Step 2: Convert to fraction form
   11,776.68/17,662.96 = 3,456.56/x
3. Step 3: Cross multiply
   11,776.68x = 17,662.96 × 3,456.56
4. Step 4: Simplify right side
   11,776.68x = 61,053,081.02
5. Step 5: Solve for x
   x = 61,053,081.02/11,776.68
6. Step 6: Final answer
   x = 5,184.24