Finding the Fourth Proportional to 11,323.39, 16,985.85 and 3,003.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.39 : 16,985.85 = 3,003.31 : x
2. Step 2: Convert to fraction form
   11,323.39/16,985.85 = 3,003.31/x
3. Step 3: Cross multiply
   11,323.39x = 16,985.85 × 3,003.31
4. Step 4: Simplify right side
   11,323.39x = 51,013,773.16
5. Step 5: Solve for x
   x = 51,013,773.16/11,323.39
6. Step 6: Final answer
   x = 4,505.17