Finding the Fourth Proportional to 2,622.49, 3,620.17 and 1,875.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.49 : 3,620.17 = 1,875.15 : x
2. Step 2: Convert to fraction form
   2,622.49/3,620.17 = 1,875.15/x
3. Step 3: Cross multiply
   2,622.49x = 3,620.17 × 1,875.15
4. Step 4: Simplify right side
   2,622.49x = 6,788,361.78
5. Step 5: Solve for x
   x = 6,788,361.78/2,622.49
6. Step 6: Final answer
   x = 2,588.52