Finding the Fourth Proportional to 13,855.22, 19,120.25 and 7,567.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,855.22 : 19,120.25 = 7,567.59 : x
2. Step 2: Convert to fraction form
   13,855.22/19,120.25 = 7,567.59/x
3. Step 3: Cross multiply
   13,855.22x = 19,120.25 × 7,567.59
4. Step 4: Simplify right side
   13,855.22x = 144,694,303.32
5. Step 5: Solve for x
   x = 144,694,303.32/13,855.22
6. Step 6: Final answer
   x = 10,443.31