Finding the Fourth Proportional to 13,863.50, 19,131.60 and 7,895.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,863.50 : 19,131.60 = 7,895.17 : x
2. Step 2: Convert to fraction form
   13,863.50/19,131.60 = 7,895.17/x
3. Step 3: Cross multiply
   13,863.50x = 19,131.60 × 7,895.17
4. Step 4: Simplify right side
   13,863.50x = 151,047,234.37
5. Step 5: Solve for x
   x = 151,047,234.37/13,863.50
6. Step 6: Final answer
   x = 10,895.32