Finding the Fourth Proportional to 1,812.04, 2,499.77 and 1,065.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.04 : 2,499.77 = 1,065.53 : x
2. Step 2: Convert to fraction form
   1,812.04/2,499.77 = 1,065.53/x
3. Step 3: Cross multiply
   1,812.04x = 2,499.77 × 1,065.53
4. Step 4: Simplify right side
   1,812.04x = 2,663,570.09
5. Step 5: Solve for x
   x = 2,663,570.09/1,812.04
6. Step 6: Final answer
   x = 1,469.93