Finding the Fourth Proportional to 1,266.89, 1,898.71 and 1,093.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.89 : 1,898.71 = 1,093.55 : x
2. Step 2: Convert to fraction form
   1,266.89/1,898.71 = 1,093.55/x
3. Step 3: Cross multiply
   1,266.89x = 1,898.71 × 1,093.55
4. Step 4: Simplify right side
   1,266.89x = 2,076,322.09
5. Step 5: Solve for x
   x = 2,076,322.09/1,266.89
6. Step 6: Final answer
   x = 1,638.92