Finding the Fourth Proportional to 2,614.09, 3,607.47 and 1,435.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.09 : 3,607.47 = 1,435.21 : x
2. Step 2: Convert to fraction form
   2,614.09/3,607.47 = 1,435.21/x
3. Step 3: Cross multiply
   2,614.09x = 3,607.47 × 1,435.21
4. Step 4: Simplify right side
   2,614.09x = 5,177,477.02
5. Step 5: Solve for x
   x = 5,177,477.02/2,614.09
6. Step 6: Final answer
   x = 1,980.60