Finding the Fourth Proportional to 1,622.90, 2,422.56 and 1,502.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.90 : 2,422.56 = 1,502.76 : x
2. Step 2: Convert to fraction form
   1,622.90/2,422.56 = 1,502.76/x
3. Step 3: Cross multiply
   1,622.90x = 2,422.56 × 1,502.76
4. Step 4: Simplify right side
   1,622.90x = 3,640,526.27
5. Step 5: Solve for x
   x = 3,640,526.27/1,622.90
6. Step 6: Final answer
   x = 2,243.22