Finding the Fourth Proportional to 1,886.38, 2,600.81 and 1,567.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.38 : 2,600.81 = 1,567.29 : x
2. Step 2: Convert to fraction form
   1,886.38/2,600.81 = 1,567.29/x
3. Step 3: Cross multiply
   1,886.38x = 2,600.81 × 1,567.29
4. Step 4: Simplify right side
   1,886.38x = 4,076,231.30
5. Step 5: Solve for x
   x = 4,076,231.30/1,886.38
6. Step 6: Final answer
   x = 2,160.88