Finding the Fourth Proportional to 13,863.34, 19,131.36 and 7,575.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,863.34 : 19,131.36 = 7,575.71 : x
2. Step 2: Convert to fraction form
   13,863.34/19,131.36 = 7,575.71/x
3. Step 3: Cross multiply
   13,863.34x = 19,131.36 × 7,575.71
4. Step 4: Simplify right side
   13,863.34x = 144,933,635.27
5. Step 5: Solve for x
   x = 144,933,635.27/13,863.34
6. Step 6: Final answer
   x = 10,454.46