Finding the Fourth Proportional to 155,168.89, 232,430.41 and 149,815.60

Step by Step Solution

1. Step 1: Write the proportion equation
   155,168.89 : 232,430.41 = 149,815.60 : x
2. Step 2: Convert to fraction form
   155,168.89/232,430.41 = 149,815.60/x
3. Step 3: Cross multiply
   155,168.89x = 232,430.41 × 149,815.60
4. Step 4: Simplify right side
   155,168.89x = 34,821,700,938.59
5. Step 5: Solve for x
   x = 34,821,700,938.59/155,168.89
6. Step 6: Final answer
   x = 224,411.62