Finding the Fourth Proportional to 1,906.09, 2,632.20 and 1,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.09 : 2,632.20 = 1,802.56 : x
2. Step 2: Convert to fraction form
   1,906.09/2,632.20 = 1,802.56/x
3. Step 3: Cross multiply
   1,906.09x = 2,632.20 × 1,802.56
4. Step 4: Simplify right side
   1,906.09x = 4,744,698.43
5. Step 5: Solve for x
   x = 4,744,698.43/1,906.09
6. Step 6: Final answer
   x = 2,489.23