Finding the Fourth Proportional to 2,099.08, 2,890.16 and 1,783.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.08 : 2,890.16 = 1,783.72 : x
2. Step 2: Convert to fraction form
   2,099.08/2,890.16 = 1,783.72/x
3. Step 3: Cross multiply
   2,099.08x = 2,890.16 × 1,783.72
4. Step 4: Simplify right side
   2,099.08x = 5,155,236.20
5. Step 5: Solve for x
   x = 5,155,236.20/2,099.08
6. Step 6: Final answer
   x = 2,455.95