Finding the Fourth Proportional to 2,610.22, 3,602.10 and 1,431.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.22 : 3,602.10 = 1,431.29 : x
2. Step 2: Convert to fraction form
   2,610.22/3,602.10 = 1,431.29/x
3. Step 3: Cross multiply
   2,610.22x = 3,602.10 × 1,431.29
4. Step 4: Simplify right side
   2,610.22x = 5,155,649.71
5. Step 5: Solve for x
   x = 5,155,649.71/2,610.22
6. Step 6: Final answer
   x = 1,975.18