Finding the Fourth Proportional to 2,548.04, 3,820.77 and 904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.04 : 3,820.77 = 904.34 : x
2. Step 2: Convert to fraction form
   2,548.04/3,820.77 = 904.34/x
3. Step 3: Cross multiply
   2,548.04x = 3,820.77 × 904.34
4. Step 4: Simplify right side
   2,548.04x = 3,455,284.69
5. Step 5: Solve for x
   x = 3,455,284.69/2,548.04
6. Step 6: Final answer
   x = 1,356.06