Finding the Fourth Proportional to 2,610.54, 3,602.57 and 1,431.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.54 : 3,602.57 = 1,431.59 : x
2. Step 2: Convert to fraction form
   2,610.54/3,602.57 = 1,431.59/x
3. Step 3: Cross multiply
   2,610.54x = 3,602.57 × 1,431.59
4. Step 4: Simplify right side
   2,610.54x = 5,157,378.02
5. Step 5: Solve for x
   x = 5,157,378.02/2,610.54
6. Step 6: Final answer
   x = 1,975.60