Finding the Fourth Proportional to 1,864.89, 2,796.43 and 1,085.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.89 : 2,796.43 = 1,085.06 : x
2. Step 2: Convert to fraction form
   1,864.89/2,796.43 = 1,085.06/x
3. Step 3: Cross multiply
   1,864.89x = 2,796.43 × 1,085.06
4. Step 4: Simplify right side
   1,864.89x = 3,034,309.39
5. Step 5: Solve for x
   x = 3,034,309.39/1,864.89
6. Step 6: Final answer
   x = 1,627.07