Finding the Fourth Proportional to 11,602.82, 17,398.56 and 3,809

Step by Step Solution

1. Step 1: Write the proportion equation
   11,602.82 : 17,398.56 = 3,809 : x
2. Step 2: Convert to fraction form
   11,602.82/17,398.56 = 3,809/x
3. Step 3: Cross multiply
   11,602.82x = 17,398.56 × 3,809
4. Step 4: Simplify right side
   11,602.82x = 66,271,115.04
5. Step 5: Solve for x
   x = 66,271,115.04/11,602.82
6. Step 6: Final answer
   x = 5,711.64