Finding the Fourth Proportional to 8,577.52, 12,870.43 and 4,681.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,577.52 : 12,870.43 = 4,681.82 : x
2. Step 2: Convert to fraction form
   8,577.52/12,870.43 = 4,681.82/x
3. Step 3: Cross multiply
   8,577.52x = 12,870.43 × 4,681.82
4. Step 4: Simplify right side
   8,577.52x = 60,257,057.05
5. Step 5: Solve for x
   x = 60,257,057.05/8,577.52
6. Step 6: Final answer
   x = 7,025.00