Finding the Fourth Proportional to 59,704.80, 83,820 and 59,704.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,704.80 : 83,820 = 59,704.80 : x
2. Step 2: Convert to fraction form
   59,704.80/83,820 = 59,704.80/x
3. Step 3: Cross multiply
   59,704.80x = 83,820 × 59,704.80
4. Step 4: Simplify right side
   59,704.80x = 5,004,456,336
5. Step 5: Solve for x
   x = 5,004,456,336/59,704.80
6. Step 6: Final answer
   x = 83,820