Finding the Fourth Proportional to 18,499.53, 25,529.33 and 10,116.03

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.53 : 25,529.33 = 10,116.03 : x
2. Step 2: Convert to fraction form
   18,499.53/25,529.33 = 10,116.03/x
3. Step 3: Cross multiply
   18,499.53x = 25,529.33 × 10,116.03
4. Step 4: Simplify right side
   18,499.53x = 258,255,417.58
5. Step 5: Solve for x
   x = 258,255,417.58/18,499.53
6. Step 6: Final answer
   x = 13,960.11