Finding the Fourth Proportional to 264,870.10, 396,868.22 and 152,644.60

Step by Step Solution

1. Step 1: Write the proportion equation
   264,870.10 : 396,868.22 = 152,644.60 : x
2. Step 2: Convert to fraction form
   264,870.10/396,868.22 = 152,644.60/x
3. Step 3: Cross multiply
   264,870.10x = 396,868.22 × 152,644.60
4. Step 4: Simplify right side
   264,870.10x = 60,579,787,947.05
5. Step 5: Solve for x
   x = 60,579,787,947.05/264,870.10
6. Step 6: Final answer
   x = 228,715.09