Finding the Fourth Proportional to 1,504.89, 2,076.87 and 841.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.89 : 2,076.87 = 841.89 : x
2. Step 2: Convert to fraction form
   1,504.89/2,076.87 = 841.89/x
3. Step 3: Cross multiply
   1,504.89x = 2,076.87 × 841.89
4. Step 4: Simplify right side
   1,504.89x = 1,748,496.08
5. Step 5: Solve for x
   x = 1,748,496.08/1,504.89
6. Step 6: Final answer
   x = 1,161.88