Finding the Fourth Proportional to 2,610.34, 3,602.43 and 1,431.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.34 : 3,602.43 = 1,431.58 : x
2. Step 2: Convert to fraction form
   2,610.34/3,602.43 = 1,431.58/x
3. Step 3: Cross multiply
   2,610.34x = 3,602.43 × 1,431.58
4. Step 4: Simplify right side
   2,610.34x = 5,157,166.74
5. Step 5: Solve for x
   x = 5,157,166.74/2,610.34
6. Step 6: Final answer
   x = 1,975.67