Finding the Fourth Proportional to 57,582.83, 86,321.61 and 48,755.03

Step by Step Solution

1. Step 1: Write the proportion equation
   57,582.83 : 86,321.61 = 48,755.03 : x
2. Step 2: Convert to fraction form
   57,582.83/86,321.61 = 48,755.03/x
3. Step 3: Cross multiply
   57,582.83x = 86,321.61 × 48,755.03
4. Step 4: Simplify right side
   57,582.83x = 4,208,612,441.42
5. Step 5: Solve for x
   x = 4,208,612,441.42/57,582.83
6. Step 6: Final answer
   x = 73,087.98