Finding the Fourth Proportional to 11,017.53, 16,531.98 and 5,470.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.53 : 16,531.98 = 5,470.74 : x
2. Step 2: Convert to fraction form
   11,017.53/16,531.98 = 5,470.74/x
3. Step 3: Cross multiply
   11,017.53x = 16,531.98 × 5,470.74
4. Step 4: Simplify right side
   11,017.53x = 90,442,164.27
5. Step 5: Solve for x
   x = 90,442,164.27/11,017.53
6. Step 6: Final answer
   x = 8,208.93