Finding the Fourth Proportional to 54,301.50, 74,910.72 and 34,169.48

Step by Step Solution

1. Step 1: Write the proportion equation
   54,301.50 : 74,910.72 = 34,169.48 : x
2. Step 2: Convert to fraction form
   54,301.50/74,910.72 = 34,169.48/x
3. Step 3: Cross multiply
   54,301.50x = 74,910.72 × 34,169.48
4. Step 4: Simplify right side
   54,301.50x = 2,559,660,348.83
5. Step 5: Solve for x
   x = 2,559,660,348.83/54,301.50
6. Step 6: Final answer
   x = 47,137.93