Finding the Fourth Proportional to 1,886.56, 2,828.72 and 846.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.56 : 2,828.72 = 846.56 : x
2. Step 2: Convert to fraction form
   1,886.56/2,828.72 = 846.56/x
3. Step 3: Cross multiply
   1,886.56x = 2,828.72 × 846.56
4. Step 4: Simplify right side
   1,886.56x = 2,394,681.20
5. Step 5: Solve for x
   x = 2,394,681.20/1,886.56
6. Step 6: Final answer
   x = 1,269.34