Finding the Fourth Proportional to 1,828.79, 2,523.50 and 1,042.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828.79 : 2,523.50 = 1,042.69 : x
2. Step 2: Convert to fraction form
   1,828.79/2,523.50 = 1,042.69/x
3. Step 3: Cross multiply
   1,828.79x = 2,523.50 × 1,042.69
4. Step 4: Simplify right side
   1,828.79x = 2,631,216.69
5. Step 5: Solve for x
   x = 2,631,216.69/1,828.79
6. Step 6: Final answer
   x = 1,438.77