Finding the Fourth Proportional to 2,610.94, 3,602.91 and 1,431.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.94 : 3,602.91 = 1,431.82 : x
2. Step 2: Convert to fraction form
   2,610.94/3,602.91 = 1,431.82/x
3. Step 3: Cross multiply
   2,610.94x = 3,602.91 × 1,431.82
4. Step 4: Simplify right side
   2,610.94x = 5,158,718.60
5. Step 5: Solve for x
   x = 5,158,718.60/2,610.94
6. Step 6: Final answer
   x = 1,975.81