Finding the Fourth Proportional to 53,396.83, 80,086.83 and 17,857.87

Step by Step Solution

1. Step 1: Write the proportion equation
   53,396.83 : 80,086.83 = 17,857.87 : x
2. Step 2: Convert to fraction form
   53,396.83/80,086.83 = 17,857.87/x
3. Step 3: Cross multiply
   53,396.83x = 80,086.83 × 17,857.87
4. Step 4: Simplify right side
   53,396.83x = 1,430,180,198.85
5. Step 5: Solve for x
   x = 1,430,180,198.85/53,396.83
6. Step 6: Final answer
   x = 26,783.99