Finding the Fourth Proportional to 5,100.57, 7,650.89 and 1,403.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.57 : 7,650.89 = 1,403.19 : x
2. Step 2: Convert to fraction form
   5,100.57/7,650.89 = 1,403.19/x
3. Step 3: Cross multiply
   5,100.57x = 7,650.89 × 1,403.19
4. Step 4: Simplify right side
   5,100.57x = 10,735,674.97
5. Step 5: Solve for x
   x = 10,735,674.97/5,100.57
6. Step 6: Final answer
   x = 2,104.80