Finding the Fourth Proportional to 1,812.69, 2,501.37 and 1,066.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.69 : 2,501.37 = 1,066.95 : x
2. Step 2: Convert to fraction form
   1,812.69/2,501.37 = 1,066.95/x
3. Step 3: Cross multiply
   1,812.69x = 2,501.37 × 1,066.95
4. Step 4: Simplify right side
   1,812.69x = 2,668,836.72
5. Step 5: Solve for x
   x = 2,668,836.72/1,812.69
6. Step 6: Final answer
   x = 1,472.31