Finding the Fourth Proportional to 172,663.69, 259,010.69 and 52,747.69

Step by Step Solution

1. Step 1: Write the proportion equation
   172,663.69 : 259,010.69 = 52,747.69 : x
2. Step 2: Convert to fraction form
   172,663.69/259,010.69 = 52,747.69/x
3. Step 3: Cross multiply
   172,663.69x = 259,010.69 × 52,747.69
4. Step 4: Simplify right side
   172,663.69x = 13,662,215,582.81
5. Step 5: Solve for x
   x = 13,662,215,582.81/172,663.69
6. Step 6: Final answer
   x = 79,126.16