Finding the Fourth Proportional to 11,009.63, 16,515.54 and 3,614.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009.63 : 16,515.54 = 3,614.12 : x
2. Step 2: Convert to fraction form
   11,009.63/16,515.54 = 3,614.12/x
3. Step 3: Cross multiply
   11,009.63x = 16,515.54 × 3,614.12
4. Step 4: Simplify right side
   11,009.63x = 59,689,143.42
5. Step 5: Solve for x
   x = 59,689,143.42/11,009.63
6. Step 6: Final answer
   x = 5,421.54