Finding the Fourth Proportional to 13,895.82, 19,135.82 and 12,078.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,895.82 : 19,135.82 = 12,078.07 : x
2. Step 2: Convert to fraction form
   13,895.82/19,135.82 = 12,078.07/x
3. Step 3: Cross multiply
   13,895.82x = 19,135.82 × 12,078.07
4. Step 4: Simplify right side
   13,895.82x = 231,123,755.82
5. Step 5: Solve for x
   x = 231,123,755.82/13,895.82
6. Step 6: Final answer
   x = 16,632.61