Finding the Fourth Proportional to 2,457.91, 3,695.37 and 1,974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.91 : 3,695.37 = 1,974.34 : x
2. Step 2: Convert to fraction form
   2,457.91/3,695.37 = 1,974.34/x
3. Step 3: Cross multiply
   2,457.91x = 3,695.37 × 1,974.34
4. Step 4: Simplify right side
   2,457.91x = 7,295,916.81
5. Step 5: Solve for x
   x = 7,295,916.81/2,457.91
6. Step 6: Final answer
   x = 2,968.34