Finding the Fourth Proportional to 13,853.98, 19,119.18 and 7,566.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,853.98 : 19,119.18 = 7,566.31 : x
2. Step 2: Convert to fraction form
   13,853.98/19,119.18 = 7,566.31/x
3. Step 3: Cross multiply
   13,853.98x = 19,119.18 × 7,566.31
4. Step 4: Simplify right side
   13,853.98x = 144,661,642.83
5. Step 5: Solve for x
   x = 144,661,642.83/13,853.98
6. Step 6: Final answer
   x = 10,441.88