Finding the Fourth Proportional to 155,313.36, 232,912.56 and 55,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,313.36 : 232,912.56 = 55,446.72 : x
2. Step 2: Convert to fraction form
   155,313.36/232,912.56 = 55,446.72/x
3. Step 3: Cross multiply
   155,313.36x = 232,912.56 × 55,446.72
4. Step 4: Simplify right side
   155,313.36x = 12,914,237,498.80
5. Step 5: Solve for x
   x = 12,914,237,498.80/155,313.36
6. Step 6: Final answer
   x = 83,149.56