Finding the Fourth Proportional to 13,808.89, 19,062.75 and 8,141.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,808.89 : 19,062.75 = 8,141.86 : x
2. Step 2: Convert to fraction form
   13,808.89/19,062.75 = 8,141.86/x
3. Step 3: Cross multiply
   13,808.89x = 19,062.75 × 8,141.86
4. Step 4: Simplify right side
   13,808.89x = 155,206,241.72
5. Step 5: Solve for x
   x = 155,206,241.72/13,808.89
6. Step 6: Final answer
   x = 11,239.59