Finding the Fourth Proportional to 13,839.86, 19,093.50 and 8,525.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,839.86 : 19,093.50 = 8,525.45 : x
2. Step 2: Convert to fraction form
   13,839.86/19,093.50 = 8,525.45/x
3. Step 3: Cross multiply
   13,839.86x = 19,093.50 × 8,525.45
4. Step 4: Simplify right side
   13,839.86x = 162,780,727.31
5. Step 5: Solve for x
   x = 162,780,727.31/13,839.86
6. Step 6: Final answer
   x = 11,761.73