Finding the Fourth Proportional to 2,981.22, 4,457.60 and 2,719.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.22 : 4,457.60 = 2,719.81 : x
2. Step 2: Convert to fraction form
   2,981.22/4,457.60 = 2,719.81/x
3. Step 3: Cross multiply
   2,981.22x = 4,457.60 × 2,719.81
4. Step 4: Simplify right side
   2,981.22x = 12,123,827.23
5. Step 5: Solve for x
   x = 12,123,827.23/2,981.22
6. Step 6: Final answer
   x = 4,066.73