Finding the Fourth Proportional to 18,755.52, 25,870.43 and 12,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,755.52 : 25,870.43 = 12,030.50 : x
2. Step 2: Convert to fraction form
   18,755.52/25,870.43 = 12,030.50/x
3. Step 3: Cross multiply
   18,755.52x = 25,870.43 × 12,030.50
4. Step 4: Simplify right side
   18,755.52x = 311,234,018.61
5. Step 5: Solve for x
   x = 311,234,018.61/18,755.52
6. Step 6: Final answer
   x = 16,594.26