Finding the Fourth Proportional to 2,365.48, 3,549.12 and 904.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,365.48 : 3,549.12 = 904.30 : x
2. Step 2: Convert to fraction form
   2,365.48/3,549.12 = 904.30/x
3. Step 3: Cross multiply
   2,365.48x = 3,549.12 × 904.30
4. Step 4: Simplify right side
   2,365.48x = 3,209,469.22
5. Step 5: Solve for x
   x = 3,209,469.22/2,365.48
6. Step 6: Final answer
   x = 1,356.79