Finding the Fourth Proportional to 2,841.20, 3,918.68 and 2,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.20 : 3,918.68 = 2,522.50 : x
2. Step 2: Convert to fraction form
   2,841.20/3,918.68 = 2,522.50/x
3. Step 3: Cross multiply
   2,841.20x = 3,918.68 × 2,522.50
4. Step 4: Simplify right side
   2,841.20x = 9,884,870.30
5. Step 5: Solve for x
   x = 9,884,870.30/2,841.20
6. Step 6: Final answer
   x = 3,479.12