Finding the Fourth Proportional to 2,780.76, 4,172.00 and 1,481.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.76 : 4,172.00 = 1,481.25 : x
2. Step 2: Convert to fraction form
   2,780.76/4,172.00 = 1,481.25/x
3. Step 3: Cross multiply
   2,780.76x = 4,172.00 × 1,481.25
4. Step 4: Simplify right side
   2,780.76x = 6,179,767.59
5. Step 5: Solve for x
   x = 6,179,767.59/2,780.76
6. Step 6: Final answer
   x = 2,222.33