Finding the Fourth Proportional to 2,756.12, 3,803.93 and 1,561.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.12 : 3,803.93 = 1,561.18 : x
2. Step 2: Convert to fraction form
   2,756.12/3,803.93 = 1,561.18/x
3. Step 3: Cross multiply
   2,756.12x = 3,803.93 × 1,561.18
4. Step 4: Simplify right side
   2,756.12x = 5,938,613.83
5. Step 5: Solve for x
   x = 5,938,613.83/2,756.12
6. Step 6: Final answer
   x = 2,154.70