Finding the Fourth Proportional to 1,812.27, 2,499.39 and 1,182.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.27 : 2,499.39 = 1,182.57 : x
2. Step 2: Convert to fraction form
   1,812.27/2,499.39 = 1,182.57/x
3. Step 3: Cross multiply
   1,812.27x = 2,499.39 × 1,182.57
4. Step 4: Simplify right side
   1,812.27x = 2,955,703.63
5. Step 5: Solve for x
   x = 2,955,703.63/1,812.27
6. Step 6: Final answer
   x = 1,630.94