Finding the Fourth Proportional to 172,826.56, 260,173.46 and 155,446.71

Step by Step Solution

1. Step 1: Write the proportion equation
   172,826.56 : 260,173.46 = 155,446.71 : x
2. Step 2: Convert to fraction form
   172,826.56/260,173.46 = 155,446.71/x
3. Step 3: Cross multiply
   172,826.56x = 260,173.46 × 155,446.71
4. Step 4: Simplify right side
   172,826.56x = 40,443,108,386.32
5. Step 5: Solve for x
   x = 40,443,108,386.32/172,826.56
6. Step 6: Final answer
   x = 234,009.80