Finding the Fourth Proportional to 59,096.09, 81,897.61 and 57,974.65

Step by Step Solution

1. Step 1: Write the proportion equation
   59,096.09 : 81,897.61 = 57,974.65 : x
2. Step 2: Convert to fraction form
   59,096.09/81,897.61 = 57,974.65/x
3. Step 3: Cross multiply
   59,096.09x = 81,897.61 × 57,974.65
4. Step 4: Simplify right side
   59,096.09x = 4,747,984,866.10
5. Step 5: Solve for x
   x = 4,747,984,866.10/59,096.09
6. Step 6: Final answer
   x = 80,343.47