Finding the Fourth Proportional to 18,745.59, 25,868.15 and 10,788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,745.59 : 25,868.15 = 10,788.10 : x
2. Step 2: Convert to fraction form
   18,745.59/25,868.15 = 10,788.10/x
3. Step 3: Cross multiply
   18,745.59x = 25,868.15 × 10,788.10
4. Step 4: Simplify right side
   18,745.59x = 279,068,189.02
5. Step 5: Solve for x
   x = 279,068,189.02/18,745.59
6. Step 6: Final answer
   x = 14,887.14