Finding the Fourth Proportional to 2,610.90, 3,603.18 and 1,432.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.90 : 3,603.18 = 1,432.02 : x
2. Step 2: Convert to fraction form
   2,610.90/3,603.18 = 1,432.02/x
3. Step 3: Cross multiply
   2,610.90x = 3,603.18 × 1,432.02
4. Step 4: Simplify right side
   2,610.90x = 5,159,825.82
5. Step 5: Solve for x
   x = 5,159,825.82/2,610.90
6. Step 6: Final answer
   x = 1,976.26