Finding the Fourth Proportional to 2,084.69, 2,859.91 and 2,030.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.69 : 2,859.91 = 2,030.21 : x
2. Step 2: Convert to fraction form
   2,084.69/2,859.91 = 2,030.21/x
3. Step 3: Cross multiply
   2,084.69x = 2,859.91 × 2,030.21
4. Step 4: Simplify right side
   2,084.69x = 5,806,225.32
5. Step 5: Solve for x
   x = 5,806,225.32/2,084.69
6. Step 6: Final answer
   x = 2,785.18