Finding the Fourth Proportional to 3,653.03, 5,475.89 and 1,428.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.03 : 5,475.89 = 1,428.81 : x
2. Step 2: Convert to fraction form
   3,653.03/5,475.89 = 1,428.81/x
3. Step 3: Cross multiply
   3,653.03x = 5,475.89 × 1,428.81
4. Step 4: Simplify right side
   3,653.03x = 7,823,999.25
5. Step 5: Solve for x
   x = 7,823,999.25/3,653.03
6. Step 6: Final answer
   x = 2,141.79