Finding the Fourth Proportional to 2,610.40, 3,602.36 and 1,415.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.40 : 3,602.36 = 1,415.42 : x
2. Step 2: Convert to fraction form
   2,610.40/3,602.36 = 1,415.42/x
3. Step 3: Cross multiply
   2,610.40x = 3,602.36 × 1,415.42
4. Step 4: Simplify right side
   2,610.40x = 5,098,852.39
5. Step 5: Solve for x
   x = 5,098,852.39/2,610.40
6. Step 6: Final answer
   x = 1,953.28