Finding the Fourth Proportional to 2,084.59, 2,876.69 and 1,153.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.59 : 2,876.69 = 1,153.09 : x
2. Step 2: Convert to fraction form
   2,084.59/2,876.69 = 1,153.09/x
3. Step 3: Cross multiply
   2,084.59x = 2,876.69 × 1,153.09
4. Step 4: Simplify right side
   2,084.59x = 3,317,070.97
5. Step 5: Solve for x
   x = 3,317,070.97/2,084.59
6. Step 6: Final answer
   x = 1,591.24