Finding the Fourth Proportional to 2,606.99, 3,910.77 and 1,047.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.99 : 3,910.77 = 1,047.53 : x
2. Step 2: Convert to fraction form
   2,606.99/3,910.77 = 1,047.53/x
3. Step 3: Cross multiply
   2,606.99x = 3,910.77 × 1,047.53
4. Step 4: Simplify right side
   2,606.99x = 4,096,629.34
5. Step 5: Solve for x
   x = 4,096,629.34/2,606.99
6. Step 6: Final answer
   x = 1,571.41