Finding the Fourth Proportional to 1,828.60, 2,522.42 and 1,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,828.60 : 2,522.42 = 1,042.50 : x
2. Step 2: Convert to fraction form
   1,828.60/2,522.42 = 1,042.50/x
3. Step 3: Cross multiply
   1,828.60x = 2,522.42 × 1,042.50
4. Step 4: Simplify right side
   1,828.60x = 2,629,622.85
5. Step 5: Solve for x
   x = 2,629,622.85/1,828.60
6. Step 6: Final answer
   x = 1,438.05