Finding the Fourth Proportional to 1,434.71, 2,148.01 and 913.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.71 : 2,148.01 = 913.42 : x
2. Step 2: Convert to fraction form
   1,434.71/2,148.01 = 913.42/x
3. Step 3: Cross multiply
   1,434.71x = 2,148.01 × 913.42
4. Step 4: Simplify right side
   1,434.71x = 1,962,035.29
5. Step 5: Solve for x
   x = 1,962,035.29/1,434.71
6. Step 6: Final answer
   x = 1,367.55