Finding the Fourth Proportional to 11,011.01, 16,511.03 and 3,513.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,011.01 : 16,511.03 = 3,513.59 : x
2. Step 2: Convert to fraction form
   11,011.01/16,511.03 = 3,513.59/x
3. Step 3: Cross multiply
   11,011.01x = 16,511.03 × 3,513.59
4. Step 4: Simplify right side
   11,011.01x = 58,013,005.38
5. Step 5: Solve for x
   x = 58,013,005.38/11,011.01
6. Step 6: Final answer
   x = 5,268.63