Finding the Fourth Proportional to 2,219.55, 3,061.04 and 1,777.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.55 : 3,061.04 = 1,777.29 : x
2. Step 2: Convert to fraction form
   2,219.55/3,061.04 = 1,777.29/x
3. Step 3: Cross multiply
   2,219.55x = 3,061.04 × 1,777.29
4. Step 4: Simplify right side
   2,219.55x = 5,440,346.90
5. Step 5: Solve for x
   x = 5,440,346.90/2,219.55
6. Step 6: Final answer
   x = 2,451.10