Finding the Fourth Proportional to 59,019.30, 82,860.30 and 59,019.30

Step by Step Solution

1. Step 1: Write the proportion equation
   59,019.30 : 82,860.30 = 59,019.30 : x
2. Step 2: Convert to fraction form
   59,019.30/82,860.30 = 59,019.30/x
3. Step 3: Cross multiply
   59,019.30x = 82,860.30 × 59,019.30
4. Step 4: Simplify right side
   59,019.30x = 4,890,356,903.79
5. Step 5: Solve for x
   x = 4,890,356,903.79/59,019.30
6. Step 6: Final answer
   x = 82,860.30