Finding the Fourth Proportional to 1,504.88, 2,076.76 and 841.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.88 : 2,076.76 = 841.72 : x
2. Step 2: Convert to fraction form
   1,504.88/2,076.76 = 841.72/x
3. Step 3: Cross multiply
   1,504.88x = 2,076.76 × 841.72
4. Step 4: Simplify right side
   1,504.88x = 1,748,050.43
5. Step 5: Solve for x
   x = 1,748,050.43/1,504.88
6. Step 6: Final answer
   x = 1,161.59