Finding the Fourth Proportional to 2,980.32, 4,457.04 and 2,277.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.32 : 4,457.04 = 2,277.72 : x
2. Step 2: Convert to fraction form
   2,980.32/4,457.04 = 2,277.72/x
3. Step 3: Cross multiply
   2,980.32x = 4,457.04 × 2,277.72
4. Step 4: Simplify right side
   2,980.32x = 10,151,889.15
5. Step 5: Solve for x
   x = 10,151,889.15/2,980.32
6. Step 6: Final answer
   x = 3,406.31