Finding the Fourth Proportional to 59,020.02, 80,989.43 and 53,674.02

Step by Step Solution

1. Step 1: Write the proportion equation
   59,020.02 : 80,989.43 = 53,674.02 : x
2. Step 2: Convert to fraction form
   59,020.02/80,989.43 = 53,674.02/x
3. Step 3: Cross multiply
   59,020.02x = 80,989.43 × 53,674.02
4. Step 4: Simplify right side
   59,020.02x = 4,347,028,017.24
5. Step 5: Solve for x
   x = 4,347,028,017.24/59,020.02
6. Step 6: Final answer
   x = 73,653.45