Finding the Fourth Proportional to 1,344.75, 1,856.87 and 1,066.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.75 : 1,856.87 = 1,066.41 : x
2. Step 2: Convert to fraction form
   1,344.75/1,856.87 = 1,066.41/x
3. Step 3: Cross multiply
   1,344.75x = 1,856.87 × 1,066.41
4. Step 4: Simplify right side
   1,344.75x = 1,980,179.40
5. Step 5: Solve for x
   x = 1,980,179.40/1,344.75
6. Step 6: Final answer
   x = 1,472.53