Finding the Fourth Proportional to 2,610.72, 3,602.74 and 1,491.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.72 : 3,602.74 = 1,491.60 : x
2. Step 2: Convert to fraction form
   2,610.72/3,602.74 = 1,491.60/x
3. Step 3: Cross multiply
   2,610.72x = 3,602.74 × 1,491.60
4. Step 4: Simplify right side
   2,610.72x = 5,373,846.98
5. Step 5: Solve for x
   x = 5,373,846.98/2,610.72
6. Step 6: Final answer
   x = 2,058.38