Finding the Fourth Proportional to 172,986.56, 259,487.56 and 53,034.88

Step by Step Solution

1. Step 1: Write the proportion equation
   172,986.56 : 259,487.56 = 53,034.88 : x
2. Step 2: Convert to fraction form
   172,986.56/259,487.56 = 53,034.88/x
3. Step 3: Cross multiply
   172,986.56x = 259,487.56 × 53,034.88
4. Step 4: Simplify right side
   172,986.56x = 13,761,891,606.09
5. Step 5: Solve for x
   x = 13,761,891,606.09/172,986.56
6. Step 6: Final answer
   x = 79,554.69