Finding the Fourth Proportional to 11,409.83, 17,100.61 and 6,464.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,409.83 : 17,100.61 = 6,464.48 : x
2. Step 2: Convert to fraction form
   11,409.83/17,100.61 = 6,464.48/x
3. Step 3: Cross multiply
   11,409.83x = 17,100.61 × 6,464.48
4. Step 4: Simplify right side
   11,409.83x = 110,546,551.33
5. Step 5: Solve for x
   x = 110,546,551.33/11,409.83
6. Step 6: Final answer
   x = 9,688.71