Finding the Fourth Proportional to 11,013.52, 16,522.88 and 3,618

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.52 : 16,522.88 = 3,618 : x
2. Step 2: Convert to fraction form
   11,013.52/16,522.88 = 3,618/x
3. Step 3: Cross multiply
   11,013.52x = 16,522.88 × 3,618
4. Step 4: Simplify right side
   11,013.52x = 59,779,779.84
5. Step 5: Solve for x
   x = 59,779,779.84/11,013.52
6. Step 6: Final answer
   x = 5,427.85