Finding the Fourth Proportional to 3,654.67, 5,476.43 and 1,900.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.67 : 5,476.43 = 1,900.25 : x
2. Step 2: Convert to fraction form
   3,654.67/5,476.43 = 1,900.25/x
3. Step 3: Cross multiply
   3,654.67x = 5,476.43 × 1,900.25
4. Step 4: Simplify right side
   3,654.67x = 10,406,549.22
5. Step 5: Solve for x
   x = 10,406,549.22/3,654.67
6. Step 6: Final answer
   x = 2,847.47