Finding the Fourth Proportional to 53,839.59, 80,772.17 and 16,903.59

Step by Step Solution

1. Step 1: Write the proportion equation
   53,839.59 : 80,772.17 = 16,903.59 : x
2. Step 2: Convert to fraction form
   53,839.59/80,772.17 = 16,903.59/x
3. Step 3: Cross multiply
   53,839.59x = 80,772.17 × 16,903.59
4. Step 4: Simplify right side
   53,839.59x = 1,365,339,560.57
5. Step 5: Solve for x
   x = 1,365,339,560.57/53,839.59
6. Step 6: Final answer
   x = 25,359.40