Finding the Fourth Proportional to 2,607.25, 3,598.01 and 1,428.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.25 : 3,598.01 = 1,428.32 : x
2. Step 2: Convert to fraction form
   2,607.25/3,598.01 = 1,428.32/x
3. Step 3: Cross multiply
   2,607.25x = 3,598.01 × 1,428.32
4. Step 4: Simplify right side
   2,607.25x = 5,139,109.64
5. Step 5: Solve for x
   x = 5,139,109.64/2,607.25
6. Step 6: Final answer
   x = 1,971.08