Finding the Fourth Proportional to 2,100.44, 2,899.06 and 1,683.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.44 : 2,899.06 = 1,683.56 : x
2. Step 2: Convert to fraction form
   2,100.44/2,899.06 = 1,683.56/x
3. Step 3: Cross multiply
   2,100.44x = 2,899.06 × 1,683.56
4. Step 4: Simplify right side
   2,100.44x = 4,880,741.45
5. Step 5: Solve for x
   x = 4,880,741.45/2,100.44
6. Step 6: Final answer
   x = 2,323.68