Finding the Fourth Proportional to 9,018.82, 13,529.52 and 2,779.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.82 : 13,529.52 = 2,779.36 : x
2. Step 2: Convert to fraction form
   9,018.82/13,529.52 = 2,779.36/x
3. Step 3: Cross multiply
   9,018.82x = 13,529.52 × 2,779.36
4. Step 4: Simplify right side
   9,018.82x = 37,603,406.71
5. Step 5: Solve for x
   x = 37,603,406.71/9,018.82
6. Step 6: Final answer
   x = 4,169.44