Finding the Fourth Proportional to 259,501.32, 389,200.14 and 72,514.44

Step by Step Solution

1. Step 1: Write the proportion equation
   259,501.32 : 389,200.14 = 72,514.44 : x
2. Step 2: Convert to fraction form
   259,501.32/389,200.14 = 72,514.44/x
3. Step 3: Cross multiply
   259,501.32x = 389,200.14 × 72,514.44
4. Step 4: Simplify right side
   259,501.32x = 28,222,630,200.02
5. Step 5: Solve for x
   x = 28,222,630,200.02/259,501.32
6. Step 6: Final answer
   x = 108,757.17