Finding the Fourth Proportional to 2,034.33, 2,806.32 and 1,287.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.33 : 2,806.32 = 1,287.01 : x
2. Step 2: Convert to fraction form
   2,034.33/2,806.32 = 1,287.01/x
3. Step 3: Cross multiply
   2,034.33x = 2,806.32 × 1,287.01
4. Step 4: Simplify right side
   2,034.33x = 3,611,761.90
5. Step 5: Solve for x
   x = 3,611,761.90/2,034.33
6. Step 6: Final answer
   x = 1,775.41