Finding the Fourth Proportional to 13,863.57, 19,131.64 and 7,575.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,863.57 : 19,131.64 = 7,575.94 : x
2. Step 2: Convert to fraction form
   13,863.57/19,131.64 = 7,575.94/x
3. Step 3: Cross multiply
   13,863.57x = 19,131.64 × 7,575.94
4. Step 4: Simplify right side
   13,863.57x = 144,940,156.74
5. Step 5: Solve for x
   x = 144,940,156.74/13,863.57
6. Step 6: Final answer
   x = 10,454.75