Finding the Fourth Proportional to 2,610.43, 3,602.37 and 1,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.43 : 3,602.37 = 1,431.50 : x
2. Step 2: Convert to fraction form
   2,610.43/3,602.37 = 1,431.50/x
3. Step 3: Cross multiply
   2,610.43x = 3,602.37 × 1,431.50
4. Step 4: Simplify right side
   2,610.43x = 5,156,792.66
5. Step 5: Solve for x
   x = 5,156,792.66/2,610.43
6. Step 6: Final answer
   x = 1,975.46