Finding the Fourth Proportional to 3,973.78, 5,484.54 and 2,401.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.78 : 5,484.54 = 2,401.84 : x
2. Step 2: Convert to fraction form
   3,973.78/5,484.54 = 2,401.84/x
3. Step 3: Cross multiply
   3,973.78x = 5,484.54 × 2,401.84
4. Step 4: Simplify right side
   3,973.78x = 13,172,987.55
5. Step 5: Solve for x
   x = 13,172,987.55/3,973.78
6. Step 6: Final answer
   x = 3,314.98