Finding the Fourth Proportional to 8,522.50, 12,775.59 and 4,360.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,522.50 : 12,775.59 = 4,360.90 : x
2. Step 2: Convert to fraction form
   8,522.50/12,775.59 = 4,360.90/x
3. Step 3: Cross multiply
   8,522.50x = 12,775.59 × 4,360.90
4. Step 4: Simplify right side
   8,522.50x = 55,713,070.43
5. Step 5: Solve for x
   x = 55,713,070.43/8,522.50
6. Step 6: Final answer
   x = 6,537.17