Finding the Fourth Proportional to 2,190.96, 3,023.52 and 1,259.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.96 : 3,023.52 = 1,259.46 : x
2. Step 2: Convert to fraction form
   2,190.96/3,023.52 = 1,259.46/x
3. Step 3: Cross multiply
   2,190.96x = 3,023.52 × 1,259.46
4. Step 4: Simplify right side
   2,190.96x = 3,808,002.50
5. Step 5: Solve for x
   x = 3,808,002.50/2,190.96
6. Step 6: Final answer
   x = 1,738.05