Finding the Fourth Proportional to 3,973.00, 5,484.78 and 2,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.00 : 5,484.78 = 2,799.31 : x
2. Step 2: Convert to fraction form
   3,973.00/5,484.78 = 2,799.31/x
3. Step 3: Cross multiply
   3,973.00x = 5,484.78 × 2,799.31
4. Step 4: Simplify right side
   3,973.00x = 15,353,624.62
5. Step 5: Solve for x
   x = 15,353,624.62/3,973.00
6. Step 6: Final answer
   x = 3,864.49