Finding the Fourth Proportional to 1,871.16, 2,801.71 and 1,047.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.16 : 2,801.71 = 1,047.08 : x
2. Step 2: Convert to fraction form
   1,871.16/2,801.71 = 1,047.08/x
3. Step 3: Cross multiply
   1,871.16x = 2,801.71 × 1,047.08
4. Step 4: Simplify right side
   1,871.16x = 2,933,614.51
5. Step 5: Solve for x
   x = 2,933,614.51/1,871.16
6. Step 6: Final answer
   x = 1,567.81