Finding the Fourth Proportional to 54,443.25, 81,588.24 and 43,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   54,443.25 : 81,588.24 = 43,300.49 : x
2. Step 2: Convert to fraction form
   54,443.25/81,588.24 = 43,300.49/x
3. Step 3: Cross multiply
   54,443.25x = 81,588.24 × 43,300.49
4. Step 4: Simplify right side
   54,443.25x = 3,532,810,362.30
5. Step 5: Solve for x
   x = 3,532,810,362.30/54,443.25
6. Step 6: Final answer
   x = 64,889.78