Finding the Fourth Proportional to 288,061.83, 397,465.99 and 165,530.52

Step by Step Solution

1. Step 1: Write the proportion equation
   288,061.83 : 397,465.99 = 165,530.52 : x
2. Step 2: Convert to fraction form
   288,061.83/397,465.99 = 165,530.52/x
3. Step 3: Cross multiply
   288,061.83x = 397,465.99 × 165,530.52
4. Step 4: Simplify right side
   288,061.83x = 65,792,751,593.19
5. Step 5: Solve for x
   x = 65,792,751,593.19/288,061.83
6. Step 6: Final answer
   x = 228,398.02