Finding the Fourth Proportional to 279,411.62, 385,577.33 and 158,545.69

Step by Step Solution

1. Step 1: Write the proportion equation
   279,411.62 : 385,577.33 = 158,545.69 : x
2. Step 2: Convert to fraction form
   279,411.62/385,577.33 = 158,545.69/x
3. Step 3: Cross multiply
   279,411.62x = 385,577.33 × 158,545.69
4. Step 4: Simplify right side
   279,411.62x = 61,131,622,076.54
5. Step 5: Solve for x
   x = 61,131,622,076.54/279,411.62
6. Step 6: Final answer
   x = 218,786.98