Finding the Fourth Proportional to 172,976.56, 259,472.56 and 53,024.88

Step by Step Solution

1. Step 1: Write the proportion equation
   172,976.56 : 259,472.56 = 53,024.88 : x
2. Step 2: Convert to fraction form
   172,976.56/259,472.56 = 53,024.88/x
3. Step 3: Cross multiply
   172,976.56x = 259,472.56 × 53,024.88
4. Step 4: Simplify right side
   172,976.56x = 13,758,501,357.29
5. Step 5: Solve for x
   x = 13,758,501,357.29/172,976.56
6. Step 6: Final answer
   x = 79,539.69