Finding the Fourth Proportional to 59,839.56, 89,647.26 and 53,677.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,839.56 : 89,647.26 = 53,677.69 : x
2. Step 2: Convert to fraction form
   59,839.56/89,647.26 = 53,677.69/x
3. Step 3: Cross multiply
   59,839.56x = 89,647.26 × 53,677.69
4. Step 4: Simplify right side
   59,839.56x = 4,812,057,406.22
5. Step 5: Solve for x
   x = 4,812,057,406.22/59,839.56
6. Step 6: Final answer
   x = 80,415.99