Finding the Fourth Proportional to 1,540.50, 2,300.91 and 1,394.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.50 : 2,300.91 = 1,394.02 : x
2. Step 2: Convert to fraction form
   1,540.50/2,300.91 = 1,394.02/x
3. Step 3: Cross multiply
   1,540.50x = 2,300.91 × 1,394.02
4. Step 4: Simplify right side
   1,540.50x = 3,207,514.56
5. Step 5: Solve for x
   x = 3,207,514.56/1,540.50
6. Step 6: Final answer
   x = 2,082.13