Finding the Fourth Proportional to 11,002.56, 16,506.24 and 4,428.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.56 : 16,506.24 = 4,428.96 : x
2. Step 2: Convert to fraction form
   11,002.56/16,506.24 = 4,428.96/x
3. Step 3: Cross multiply
   11,002.56x = 16,506.24 × 4,428.96
4. Step 4: Simplify right side
   11,002.56x = 73,105,476.71
5. Step 5: Solve for x
   x = 73,105,476.71/11,002.56
6. Step 6: Final answer
   x = 6,644.41