Finding the Fourth Proportional to 2,600.58, 3,898.17 and 1,949.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.58 : 3,898.17 = 1,949.34 : x
2. Step 2: Convert to fraction form
   2,600.58/3,898.17 = 1,949.34/x
3. Step 3: Cross multiply
   2,600.58x = 3,898.17 × 1,949.34
4. Step 4: Simplify right side
   2,600.58x = 7,598,858.71
5. Step 5: Solve for x
   x = 7,598,858.71/2,600.58
6. Step 6: Final answer
   x = 2,921.99