Finding the Fourth Proportional to 11,002.70, 16,506.48 and 5,459.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.70 : 16,506.48 = 5,459.06 : x
2. Step 2: Convert to fraction form
   11,002.70/16,506.48 = 5,459.06/x
3. Step 3: Cross multiply
   11,002.70x = 16,506.48 × 5,459.06
4. Step 4: Simplify right side
   11,002.70x = 90,109,864.71
5. Step 5: Solve for x
   x = 90,109,864.71/11,002.70
6. Step 6: Final answer
   x = 8,189.80