Finding the Fourth Proportional to 2,100.08, 2,891.54 and 1,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.08 : 2,891.54 = 1,784.72 : x
2. Step 2: Convert to fraction form
   2,100.08/2,891.54 = 1,784.72/x
3. Step 3: Cross multiply
   2,100.08x = 2,891.54 × 1,784.72
4. Step 4: Simplify right side
   2,100.08x = 5,160,589.27
5. Step 5: Solve for x
   x = 5,160,589.27/2,100.08
6. Step 6: Final answer
   x = 2,457.33