Finding the Fourth Proportional to 1,343.34, 1,854.63 and 1,064.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.34 : 1,854.63 = 1,064.70 : x
2. Step 2: Convert to fraction form
   1,343.34/1,854.63 = 1,064.70/x
3. Step 3: Cross multiply
   1,343.34x = 1,854.63 × 1,064.70
4. Step 4: Simplify right side
   1,343.34x = 1,974,624.56
5. Step 5: Solve for x
   x = 1,974,624.56/1,343.34
6. Step 6: Final answer
   x = 1,469.94