Finding the Fourth Proportional to 2,100.06, 2,891.43 and 1,784.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.06 : 2,891.43 = 1,784.70 : x
2. Step 2: Convert to fraction form
   2,100.06/2,891.43 = 1,784.70/x
3. Step 3: Cross multiply
   2,100.06x = 2,891.43 × 1,784.70
4. Step 4: Simplify right side
   2,100.06x = 5,160,335.12
5. Step 5: Solve for x
   x = 5,160,335.12/2,100.06
6. Step 6: Final answer
   x = 2,457.23