Finding the Fourth Proportional to 1,811.49, 2,498.93 and 1,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.49 : 2,498.93 = 1,064.72 : x
2. Step 2: Convert to fraction form
   1,811.49/2,498.93 = 1,064.72/x
3. Step 3: Cross multiply
   1,811.49x = 2,498.93 × 1,064.72
4. Step 4: Simplify right side
   1,811.49x = 2,660,662.38
5. Step 5: Solve for x
   x = 2,660,662.38/1,811.49
6. Step 6: Final answer
   x = 1,468.77