Finding the Fourth Proportional to 510,404.20, 765,676.33 and 173,354.35

Step by Step Solution

1. Step 1: Write the proportion equation
   510,404.20 : 765,676.33 = 173,354.35 : x
2. Step 2: Convert to fraction form
   510,404.20/765,676.33 = 173,354.35/x
3. Step 3: Cross multiply
   510,404.20x = 765,676.33 × 173,354.35
4. Step 4: Simplify right side
   510,404.20x = 132,733,322,047.75
5. Step 5: Solve for x
   x = 132,733,322,047.75/510,404.20
6. Step 6: Final answer
   x = 260,055.31