Finding the Fourth Proportional to 301,380.04, 415,902.72 and 165,410.56

Step by Step Solution

1. Step 1: Write the proportion equation
   301,380.04 : 415,902.72 = 165,410.56 : x
2. Step 2: Convert to fraction form
   301,380.04/415,902.72 = 165,410.56/x
3. Step 3: Cross multiply
   301,380.04x = 415,902.72 × 165,410.56
4. Step 4: Simplify right side
   301,380.04x = 68,794,701,820.72
5. Step 5: Solve for x
   x = 68,794,701,820.72/301,380.04
6. Step 6: Final answer
   x = 228,265.62