Finding the Fourth Proportional to 2,114.40, 2,918.76 and 1,328.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.40 : 2,918.76 = 1,328.52 : x
2. Step 2: Convert to fraction form
   2,114.40/2,918.76 = 1,328.52/x
3. Step 3: Cross multiply
   2,114.40x = 2,918.76 × 1,328.52
4. Step 4: Simplify right side
   2,114.40x = 3,877,631.04
5. Step 5: Solve for x
   x = 3,877,631.04/2,114.40
6. Step 6: Final answer
   x = 1,833.92