Finding the Fourth Proportional to 301,517.91, 416,099.90 and 165,557.59

Step by Step Solution

1. Step 1: Write the proportion equation
   301,517.91 : 416,099.90 = 165,557.59 : x
2. Step 2: Convert to fraction form
   301,517.91/416,099.90 = 165,557.59/x
3. Step 3: Cross multiply
   301,517.91x = 416,099.90 × 165,557.59
4. Step 4: Simplify right side
   301,517.91x = 68,888,496,016.89
5. Step 5: Solve for x
   x = 68,888,496,016.89/301,517.91
6. Step 6: Final answer
   x = 228,472.32