Finding the Fourth Proportional to 150,128.96, 224,994.72 and 79,856.96

Step by Step Solution

1. Step 1: Write the proportion equation
   150,128.96 : 224,994.72 = 79,856.96 : x
2. Step 2: Convert to fraction form
   150,128.96/224,994.72 = 79,856.96/x
3. Step 3: Cross multiply
   150,128.96x = 224,994.72 × 79,856.96
4. Step 4: Simplify right side
   150,128.96x = 17,967,394,355.25
5. Step 5: Solve for x
   x = 17,967,394,355.25/150,128.96
6. Step 6: Final answer
   x = 119,679.74