Finding the Fourth Proportional to 173,061.20, 259,572.60 and 48,414.80

Step by Step Solution

1. Step 1: Write the proportion equation
   173,061.20 : 259,572.60 = 48,414.80 : x
2. Step 2: Convert to fraction form
   173,061.20/259,572.60 = 48,414.80/x
3. Step 3: Cross multiply
   173,061.20x = 259,572.60 × 48,414.80
4. Step 4: Simplify right side
   173,061.20x = 12,567,155,514.48
5. Step 5: Solve for x
   x = 12,567,155,514.48/173,061.20
6. Step 6: Final answer
   x = 72,616.83