Finding the Fourth Proportional to 3,981.84, 5,488.24 and 3,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.84 : 5,488.24 = 3,026.88 : x
2. Step 2: Convert to fraction form
   3,981.84/5,488.24 = 3,026.88/x
3. Step 3: Cross multiply
   3,981.84x = 5,488.24 × 3,026.88
4. Step 4: Simplify right side
   3,981.84x = 16,612,243.89
5. Step 5: Solve for x
   x = 16,612,243.89/3,981.84
6. Step 6: Final answer
   x = 4,172.00