Finding the Fourth Proportional to 2,904.50, 4,354.30 and 1,259.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.50 : 4,354.30 = 1,259.81 : x
2. Step 2: Convert to fraction form
   2,904.50/4,354.30 = 1,259.81/x
3. Step 3: Cross multiply
   2,904.50x = 4,354.30 × 1,259.81
4. Step 4: Simplify right side
   2,904.50x = 5,485,581.55
5. Step 5: Solve for x
   x = 5,485,581.55/2,904.50
6. Step 6: Final answer
   x = 1,888.65