Finding the Fourth Proportional to 1,504.89, 2,076.77 and 841.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.89 : 2,076.77 = 841.81 : x
2. Step 2: Convert to fraction form
   1,504.89/2,076.77 = 841.81/x
3. Step 3: Cross multiply
   1,504.89x = 2,076.77 × 841.81
4. Step 4: Simplify right side
   1,504.89x = 1,748,245.75
5. Step 5: Solve for x
   x = 1,748,245.75/1,504.89
6. Step 6: Final answer
   x = 1,161.71