Finding the Fourth Proportional to 13,855.32, 19,120.59 and 7,567.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,855.32 : 19,120.59 = 7,567.56 : x
2. Step 2: Convert to fraction form
   13,855.32/19,120.59 = 7,567.56/x
3. Step 3: Cross multiply
   13,855.32x = 19,120.59 × 7,567.56
4. Step 4: Simplify right side
   13,855.32x = 144,696,212.06
5. Step 5: Solve for x
   x = 144,696,212.06/13,855.32
6. Step 6: Final answer
   x = 10,443.37