Finding the Fourth Proportional to 2,034.01, 2,806.04 and 1,561.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.01 : 2,806.04 = 1,561.07 : x
2. Step 2: Convert to fraction form
   2,034.01/2,806.04 = 1,561.07/x
3. Step 3: Cross multiply
   2,034.01x = 2,806.04 × 1,561.07
4. Step 4: Simplify right side
   2,034.01x = 4,380,435.78
5. Step 5: Solve for x
   x = 4,380,435.78/2,034.01
6. Step 6: Final answer
   x = 2,153.59