Finding the Fourth Proportional to 8,535.83, 12,805.59 and 4,839.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,535.83 : 12,805.59 = 4,839.80 : x
2. Step 2: Convert to fraction form
   8,535.83/12,805.59 = 4,839.80/x
3. Step 3: Cross multiply
   8,535.83x = 12,805.59 × 4,839.80
4. Step 4: Simplify right side
   8,535.83x = 61,976,494.48
5. Step 5: Solve for x
   x = 61,976,494.48/8,535.83
6. Step 6: Final answer
   x = 7,260.75