Finding the Fourth Proportional to 1,904.96, 2,854.38 and 1,254.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.96 : 2,854.38 = 1,254.50 : x
2. Step 2: Convert to fraction form
   1,904.96/2,854.38 = 1,254.50/x
3. Step 3: Cross multiply
   1,904.96x = 2,854.38 × 1,254.50
4. Step 4: Simplify right side
   1,904.96x = 3,580,819.71
5. Step 5: Solve for x
   x = 3,580,819.71/1,904.96
6. Step 6: Final answer
   x = 1,879.73