Finding the Fourth Proportional to 2,065.30, 2,852.28 and 1,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.30 : 2,852.28 = 1,622.50 : x
2. Step 2: Convert to fraction form
   2,065.30/2,852.28 = 1,622.50/x
3. Step 3: Cross multiply
   2,065.30x = 2,852.28 × 1,622.50
4. Step 4: Simplify right side
   2,065.30x = 4,627,824.30
5. Step 5: Solve for x
   x = 4,627,824.30/2,065.30
6. Step 6: Final answer
   x = 2,240.75