Finding the Fourth Proportional to 1,348.55, 2,019.58 and 914.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.55 : 2,019.58 = 914.39 : x
2. Step 2: Convert to fraction form
   1,348.55/2,019.58 = 914.39/x
3. Step 3: Cross multiply
   1,348.55x = 2,019.58 × 914.39
4. Step 4: Simplify right side
   1,348.55x = 1,846,683.76
5. Step 5: Solve for x
   x = 1,846,683.76/1,348.55
6. Step 6: Final answer
   x = 1,369.38