Finding the Fourth Proportional to 54,040.56, 74,539.56 and 46,954.80

Step by Step Solution

1. Step 1: Write the proportion equation
   54,040.56 : 74,539.56 = 46,954.80 : x
2. Step 2: Convert to fraction form
   54,040.56/74,539.56 = 46,954.80/x
3. Step 3: Cross multiply
   54,040.56x = 74,539.56 × 46,954.80
4. Step 4: Simplify right side
   54,040.56x = 3,499,990,131.89
5. Step 5: Solve for x
   x = 3,499,990,131.89/54,040.56
6. Step 6: Final answer
   x = 64,765.99