Finding the Fourth Proportional to 11,009.98, 16,516.68 and 3,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009.98 : 16,516.68 = 3,612.75 : x
2. Step 2: Convert to fraction form
   11,009.98/16,516.68 = 3,612.75/x
3. Step 3: Cross multiply
   11,009.98x = 16,516.68 × 3,612.75
4. Step 4: Simplify right side
   11,009.98x = 59,670,683.57
5. Step 5: Solve for x
   x = 59,670,683.57/11,009.98
6. Step 6: Final answer
   x = 5,419.69