Finding the Fourth Proportional to 2,610.38, 3,602.31 and 1,431.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.38 : 3,602.31 = 1,431.41 : x
2. Step 2: Convert to fraction form
   2,610.38/3,602.31 = 1,431.41/x
3. Step 3: Cross multiply
   2,610.38x = 3,602.31 × 1,431.41
4. Step 4: Simplify right side
   2,610.38x = 5,156,382.56
5. Step 5: Solve for x
   x = 5,156,382.56/2,610.38
6. Step 6: Final answer
   x = 1,975.34