Finding the Fourth Proportional to 1,343.41, 1,854.72 and 1,064.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.41 : 1,854.72 = 1,064.77 : x
2. Step 2: Convert to fraction form
   1,343.41/1,854.72 = 1,064.77/x
3. Step 3: Cross multiply
   1,343.41x = 1,854.72 × 1,064.77
4. Step 4: Simplify right side
   1,343.41x = 1,974,850.21
5. Step 5: Solve for x
   x = 1,974,850.21/1,343.41
6. Step 6: Final answer
   x = 1,470.03