Finding the Fourth Proportional to 2,672.83, 4,008.56 and 1,265.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.83 : 4,008.56 = 1,265.86 : x
2. Step 2: Convert to fraction form
   2,672.83/4,008.56 = 1,265.86/x
3. Step 3: Cross multiply
   2,672.83x = 4,008.56 × 1,265.86
4. Step 4: Simplify right side
   2,672.83x = 5,074,259.41
5. Step 5: Solve for x
   x = 5,074,259.41/2,672.83
6. Step 6: Final answer
   x = 1,898.46