Finding the Fourth Proportional to 59,842.73, 89,057.71 and 57,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,842.73 : 89,057.71 = 57,849.50 : x
2. Step 2: Convert to fraction form
   59,842.73/89,057.71 = 57,849.50/x
3. Step 3: Cross multiply
   59,842.73x = 89,057.71 × 57,849.50
4. Step 4: Simplify right side
   59,842.73x = 5,151,943,994.65
5. Step 5: Solve for x
   x = 5,151,943,994.65/59,842.73
6. Step 6: Final answer
   x = 86,091.39