Finding the Fourth Proportional to 165,064.86, 227,556.78 and 117,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   165,064.86 : 227,556.78 = 117,300.78 : x
2. Step 2: Convert to fraction form
   165,064.86/227,556.78 = 117,300.78/x
3. Step 3: Cross multiply
   165,064.86x = 227,556.78 × 117,300.78
4. Step 4: Simplify right side
   165,064.86x = 26,692,587,788.29
5. Step 5: Solve for x
   x = 26,692,587,788.29/165,064.86
6. Step 6: Final answer
   x = 161,709.69