Finding the Fourth Proportional to 53,353.89, 80,042.99 and 18,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   53,353.89 : 80,042.99 = 18,291.42 : x
2. Step 2: Convert to fraction form
   53,353.89/80,042.99 = 18,291.42/x
3. Step 3: Cross multiply
   53,353.89x = 80,042.99 × 18,291.42
4. Step 4: Simplify right side
   53,353.89x = 1,464,099,856.69
5. Step 5: Solve for x
   x = 1,464,099,856.69/53,353.89
6. Step 6: Final answer
   x = 27,441.30