Finding the Fourth Proportional to 2,084.03, 2,875.80 and 1,139.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.03 : 2,875.80 = 1,139.77 : x
2. Step 2: Convert to fraction form
   2,084.03/2,875.80 = 1,139.77/x
3. Step 3: Cross multiply
   2,084.03x = 2,875.80 × 1,139.77
4. Step 4: Simplify right side
   2,084.03x = 3,277,758.43
5. Step 5: Solve for x
   x = 3,277,758.43/2,084.03
6. Step 6: Final answer
   x = 1,572.80