Finding the Fourth Proportional to 214,050.50, 320,995.56 and 171,826.82

Step by Step Solution

1. Step 1: Write the proportion equation
   214,050.50 : 320,995.56 = 171,826.82 : x
2. Step 2: Convert to fraction form
   214,050.50/320,995.56 = 171,826.82/x
3. Step 3: Cross multiply
   214,050.50x = 320,995.56 × 171,826.82
4. Step 4: Simplify right side
   214,050.50x = 55,155,646,308.92
5. Step 5: Solve for x
   x = 55,155,646,308.92/214,050.50
6. Step 6: Final answer
   x = 257,675.86