Finding the Fourth Proportional to 11,039.64, 16,555.94 and 3,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,039.64 : 16,555.94 = 3,642.72 : x
2. Step 2: Convert to fraction form
   11,039.64/16,555.94 = 3,642.72/x
3. Step 3: Cross multiply
   11,039.64x = 16,555.94 × 3,642.72
4. Step 4: Simplify right side
   11,039.64x = 60,308,570.98
5. Step 5: Solve for x
   x = 60,308,570.98/11,039.64
6. Step 6: Final answer
   x = 5,462.91