Finding the Fourth Proportional to 3,875.00, 5,349.33 and 2,478.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.00 : 5,349.33 = 2,478.56 : x
2. Step 2: Convert to fraction form
   3,875.00/5,349.33 = 2,478.56/x
3. Step 3: Cross multiply
   3,875.00x = 5,349.33 × 2,478.56
4. Step 4: Simplify right side
   3,875.00x = 13,258,608.62
5. Step 5: Solve for x
   x = 13,258,608.62/3,875.00
6. Step 6: Final answer
   x = 3,421.58