Finding the Fourth Proportional to 3,428.78, 5,145.23 and 1,481.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.78 : 5,145.23 = 1,481.00 : x
2. Step 2: Convert to fraction form
   3,428.78/5,145.23 = 1,481.00/x
3. Step 3: Cross multiply
   3,428.78x = 5,145.23 × 1,481.00
4. Step 4: Simplify right side
   3,428.78x = 7,620,063.61
5. Step 5: Solve for x
   x = 7,620,063.61/3,428.78
6. Step 6: Final answer
   x = 2,222.39