Finding the Fourth Proportional to 10,181.40, 15,269.28 and 3,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181.40 : 15,269.28 = 3,606.72 : x
2. Step 2: Convert to fraction form
   10,181.40/15,269.28 = 3,606.72/x
3. Step 3: Cross multiply
   10,181.40x = 15,269.28 × 3,606.72
4. Step 4: Simplify right side
   10,181.40x = 55,072,017.56
5. Step 5: Solve for x
   x = 55,072,017.56/10,181.40
6. Step 6: Final answer
   x = 5,409.08