Finding the Fourth Proportional to 258,825.27, 357,123.97 and 163,276.59

Step by Step Solution

1. Step 1: Write the proportion equation
   258,825.27 : 357,123.97 = 163,276.59 : x
2. Step 2: Convert to fraction form
   258,825.27/357,123.97 = 163,276.59/x
3. Step 3: Cross multiply
   258,825.27x = 357,123.97 × 163,276.59
4. Step 4: Simplify right side
   258,825.27x = 58,309,985,572.17
5. Step 5: Solve for x
   x = 58,309,985,572.17/258,825.27
6. Step 6: Final answer
   x = 225,287.06