Finding the Fourth Proportional to 179,543.31, 268,978.60 and 161,057.69

Step by Step Solution

1. Step 1: Write the proportion equation
   179,543.31 : 268,978.60 = 161,057.69 : x
2. Step 2: Convert to fraction form
   179,543.31/268,978.60 = 161,057.69/x
3. Step 3: Cross multiply
   179,543.31x = 268,978.60 × 161,057.69
4. Step 4: Simplify right side
   179,543.31x = 43,321,071,975.43
5. Step 5: Solve for x
   x = 43,321,071,975.43/179,543.31
6. Step 6: Final answer
   x = 241,284.80