Finding the Fourth Proportional to 1,871.82, 2,806.72 and 1,051.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.82 : 2,806.72 = 1,051.70 : x
2. Step 2: Convert to fraction form
   1,871.82/2,806.72 = 1,051.70/x
3. Step 3: Cross multiply
   1,871.82x = 2,806.72 × 1,051.70
4. Step 4: Simplify right side
   1,871.82x = 2,951,810.76
5. Step 5: Solve for x
   x = 2,951,810.76/1,871.82
6. Step 6: Final answer
   x = 1,576.97