Finding the Fourth Proportional to 528,646.69, 793,105.31 and 173,663.79

Step by Step Solution

1. Step 1: Write the proportion equation
   528,646.69 : 793,105.31 = 173,663.79 : x
2. Step 2: Convert to fraction form
   528,646.69/793,105.31 = 173,663.79/x
3. Step 3: Cross multiply
   528,646.69x = 793,105.31 × 173,663.79
4. Step 4: Simplify right side
   528,646.69x = 137,733,674,003.73
5. Step 5: Solve for x
   x = 137,733,674,003.73/528,646.69
6. Step 6: Final answer
   x = 260,540.12