Finding the Fourth Proportional to 54,317.89, 81,105.24 and 48,659.03

Step by Step Solution

1. Step 1: Write the proportion equation
   54,317.89 : 81,105.24 = 48,659.03 : x
2. Step 2: Convert to fraction form
   54,317.89/81,105.24 = 48,659.03/x
3. Step 3: Cross multiply
   54,317.89x = 81,105.24 × 48,659.03
4. Step 4: Simplify right side
   54,317.89x = 3,946,502,306.32
5. Step 5: Solve for x
   x = 3,946,502,306.32/54,317.89
6. Step 6: Final answer
   x = 72,655.66