Finding the Fourth Proportional to 172,982.70, 259,842.74 and 162,870.53

Step by Step Solution

1. Step 1: Write the proportion equation
   172,982.70 : 259,842.74 = 162,870.53 : x
2. Step 2: Convert to fraction form
   172,982.70/259,842.74 = 162,870.53/x
3. Step 3: Cross multiply
   172,982.70x = 259,842.74 × 162,870.53
4. Step 4: Simplify right side
   172,982.70x = 42,320,722,666.89
5. Step 5: Solve for x
   x = 42,320,722,666.89/172,982.70
6. Step 6: Final answer
   x = 244,652.92