Finding the Fourth Proportional to 13,854.72, 19,119.48 and 7,567.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,854.72 : 19,119.48 = 7,567.08 : x
2. Step 2: Convert to fraction form
   13,854.72/19,119.48 = 7,567.08/x
3. Step 3: Cross multiply
   13,854.72x = 19,119.48 × 7,567.08
4. Step 4: Simplify right side
   13,854.72x = 144,678,634.72
5. Step 5: Solve for x
   x = 144,678,634.72/13,854.72
6. Step 6: Final answer
   x = 10,442.55