Finding the Fourth Proportional to 2,660.34, 3,670.42 and 1,540.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.34 : 3,670.42 = 1,540.88 : x
2. Step 2: Convert to fraction form
   2,660.34/3,670.42 = 1,540.88/x
3. Step 3: Cross multiply
   2,660.34x = 3,670.42 × 1,540.88
4. Step 4: Simplify right side
   2,660.34x = 5,655,676.77
5. Step 5: Solve for x
   x = 5,655,676.77/2,660.34
6. Step 6: Final answer
   x = 2,125.92