Finding the Fourth Proportional to 1,811.35, 2,499.83 and 1,064.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.35 : 2,499.83 = 1,064.94 : x
2. Step 2: Convert to fraction form
   1,811.35/2,499.83 = 1,064.94/x
3. Step 3: Cross multiply
   1,811.35x = 2,499.83 × 1,064.94
4. Step 4: Simplify right side
   1,811.35x = 2,662,168.96
5. Step 5: Solve for x
   x = 2,662,168.96/1,811.35
6. Step 6: Final answer
   x = 1,469.72