Finding the Fourth Proportional to 1,742.76, 2,406.12 and 1,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.76 : 2,406.12 = 1,350.72 : x
2. Step 2: Convert to fraction form
   1,742.76/2,406.12 = 1,350.72/x
3. Step 3: Cross multiply
   1,742.76x = 2,406.12 × 1,350.72
4. Step 4: Simplify right side
   1,742.76x = 3,249,994.41
5. Step 5: Solve for x
   x = 3,249,994.41/1,742.76
6. Step 6: Final answer
   x = 1,864.85