Finding the Fourth Proportional to 59,945.04, 82,734.12 and 57,287.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59,945.04 : 82,734.12 = 57,287.76 : x
2. Step 2: Convert to fraction form
   59,945.04/82,734.12 = 57,287.76/x
3. Step 3: Cross multiply
   59,945.04x = 82,734.12 × 57,287.76
4. Step 4: Simplify right side
   59,945.04x = 4,739,652,410.37
5. Step 5: Solve for x
   x = 4,739,652,410.37/59,945.04
6. Step 6: Final answer
   x = 79,066.63