Finding the Fourth Proportional to 258,109.56, 356,274.72 and 167,305.32

Step by Step Solution

1. Step 1: Write the proportion equation
   258,109.56 : 356,274.72 = 167,305.32 : x
2. Step 2: Convert to fraction form
   258,109.56/356,274.72 = 167,305.32/x
3. Step 3: Cross multiply
   258,109.56x = 356,274.72 × 167,305.32
4. Step 4: Simplify right side
   258,109.56x = 59,606,656,037.51
5. Step 5: Solve for x
   x = 59,606,656,037.51/258,109.56
6. Step 6: Final answer
   x = 230,935.48