Finding the Fourth Proportional to 1,343.10, 2,017.74 and 954.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.10 : 2,017.74 = 954.05 : x
2. Step 2: Convert to fraction form
   1,343.10/2,017.74 = 954.05/x
3. Step 3: Cross multiply
   1,343.10x = 2,017.74 × 954.05
4. Step 4: Simplify right side
   1,343.10x = 1,925,029.69
5. Step 5: Solve for x
   x = 1,925,029.69/1,343.10
6. Step 6: Final answer
   x = 1,433.27