Finding the Fourth Proportional to 12,089.16, 18,136.78 and 5,852.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.16 : 18,136.78 = 5,852.16 : x
2. Step 2: Convert to fraction form
   12,089.16/18,136.78 = 5,852.16/x
3. Step 3: Cross multiply
   12,089.16x = 18,136.78 × 5,852.16
4. Step 4: Simplify right side
   12,089.16x = 106,139,338.44
5. Step 5: Solve for x
   x = 106,139,338.44/12,089.16
6. Step 6: Final answer
   x = 8,779.71