Finding the Fourth Proportional to 1,811.41, 2,499.49 and 1,064.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.41 : 2,499.49 = 1,064.93 : x
2. Step 2: Convert to fraction form
   1,811.41/2,499.49 = 1,064.93/x
3. Step 3: Cross multiply
   1,811.41x = 2,499.49 × 1,064.93
4. Step 4: Simplify right side
   1,811.41x = 2,661,781.89
5. Step 5: Solve for x
   x = 2,661,781.89/1,811.41
6. Step 6: Final answer
   x = 1,469.45