Finding the Fourth Proportional to 18,607.93, 25,678.83 and 10,109.98

Step by Step Solution

1. Step 1: Write the proportion equation
   18,607.93 : 25,678.83 = 10,109.98 : x
2. Step 2: Convert to fraction form
   18,607.93/25,678.83 = 10,109.98/x
3. Step 3: Cross multiply
   18,607.93x = 25,678.83 × 10,109.98
4. Step 4: Simplify right side
   18,607.93x = 259,612,457.72
5. Step 5: Solve for x
   x = 259,612,457.72/18,607.93
6. Step 6: Final answer
   x = 13,951.71