Finding the Fourth Proportional to 2,401.88, 3,602.46 and 670.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.88 : 3,602.46 = 670.28 : x
2. Step 2: Convert to fraction form
   2,401.88/3,602.46 = 670.28/x
3. Step 3: Cross multiply
   2,401.88x = 3,602.46 × 670.28
4. Step 4: Simplify right side
   2,401.88x = 2,414,656.89
5. Step 5: Solve for x
   x = 2,414,656.89/2,401.88
6. Step 6: Final answer
   x = 1,005.32