Finding the Fourth Proportional to 18,499.50, 25,529.31 and 10,116

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.50 : 25,529.31 = 10,116 : x
2. Step 2: Convert to fraction form
   18,499.50/25,529.31 = 10,116/x
3. Step 3: Cross multiply
   18,499.50x = 25,529.31 × 10,116
4. Step 4: Simplify right side
   18,499.50x = 258,254,499.96
5. Step 5: Solve for x
   x = 258,254,499.96/18,499.50
6. Step 6: Final answer
   x = 13,960.08