Finding the Fourth Proportional to 53,519.37, 80,288.33 and 17,984.15

Step by Step Solution

1. Step 1: Write the proportion equation
   53,519.37 : 80,288.33 = 17,984.15 : x
2. Step 2: Convert to fraction form
   53,519.37/80,288.33 = 17,984.15/x
3. Step 3: Cross multiply
   53,519.37x = 80,288.33 × 17,984.15
4. Step 4: Simplify right side
   53,519.37x = 1,443,916,878.61
5. Step 5: Solve for x
   x = 1,443,916,878.61/53,519.37
6. Step 6: Final answer
   x = 26,979.33