Finding the Fourth Proportional to 2,084.06, 2,876.04 and 1,139.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.06 : 2,876.04 = 1,139.86 : x
2. Step 2: Convert to fraction form
   2,084.06/2,876.04 = 1,139.86/x
3. Step 3: Cross multiply
   2,084.06x = 2,876.04 × 1,139.86
4. Step 4: Simplify right side
   2,084.06x = 3,278,282.95
5. Step 5: Solve for x
   x = 3,278,282.95/2,084.06
6. Step 6: Final answer
   x = 1,573.03