Finding the Fourth Proportional to 1,871.81, 2,806.02 and 1,176.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.81 : 2,806.02 = 1,176.38 : x
2. Step 2: Convert to fraction form
   1,871.81/2,806.02 = 1,176.38/x
3. Step 3: Cross multiply
   1,871.81x = 2,806.02 × 1,176.38
4. Step 4: Simplify right side
   1,871.81x = 3,300,931.78
5. Step 5: Solve for x
   x = 3,300,931.78/1,871.81
6. Step 6: Final answer
   x = 1,763.49