Finding the Fourth Proportional to 2,486.88, 3,433.32 and 1,603.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.88 : 3,433.32 = 1,603.98 : x
2. Step 2: Convert to fraction form
   2,486.88/3,433.32 = 1,603.98/x
3. Step 3: Cross multiply
   2,486.88x = 3,433.32 × 1,603.98
4. Step 4: Simplify right side
   2,486.88x = 5,506,976.61
5. Step 5: Solve for x
   x = 5,506,976.61/2,486.88
6. Step 6: Final answer
   x = 2,214.41