Finding the Fourth Proportional to 580,404.72, 870,611.94 and 159,703.68

Step by Step Solution

1. Step 1: Write the proportion equation
   580,404.72 : 870,611.94 = 159,703.68 : x
2. Step 2: Convert to fraction form
   580,404.72/870,611.94 = 159,703.68/x
3. Step 3: Cross multiply
   580,404.72x = 870,611.94 × 159,703.68
4. Step 4: Simplify right side
   580,404.72x = 139,039,930,669.94
5. Step 5: Solve for x
   x = 139,039,930,669.94/580,404.72
6. Step 6: Final answer
   x = 239,556.86