Finding the Fourth Proportional to 18,499.93, 25,529.39 and 10,116.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.93 : 25,529.39 = 10,116.25 : x
2. Step 2: Convert to fraction form
   18,499.93/25,529.39 = 10,116.25/x
3. Step 3: Cross multiply
   18,499.93x = 25,529.39 × 10,116.25
4. Step 4: Simplify right side
   18,499.93x = 258,261,641.01
5. Step 5: Solve for x
   x = 258,261,641.01/18,499.93
6. Step 6: Final answer
   x = 13,960.14