Finding the Fourth Proportional to 1,499.76, 2,067.30 and 1,056.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.76 : 2,067.30 = 1,056.96 : x
2. Step 2: Convert to fraction form
   1,499.76/2,067.30 = 1,056.96/x
3. Step 3: Cross multiply
   1,499.76x = 2,067.30 × 1,056.96
4. Step 4: Simplify right side
   1,499.76x = 2,185,053.41
5. Step 5: Solve for x
   x = 2,185,053.41/1,499.76
6. Step 6: Final answer
   x = 1,456.94