Finding the Fourth Proportional to 2,219.82, 3,061.77 and 1,556.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.82 : 3,061.77 = 1,556.82 : x
2. Step 2: Convert to fraction form
   2,219.82/3,061.77 = 1,556.82/x
3. Step 3: Cross multiply
   2,219.82x = 3,061.77 × 1,556.82
4. Step 4: Simplify right side
   2,219.82x = 4,766,624.77
5. Step 5: Solve for x
   x = 4,766,624.77/2,219.82
6. Step 6: Final answer
   x = 2,147.30