Finding the Fourth Proportional to 1,348.45, 1,860.37 and 876.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.45 : 1,860.37 = 876.42 : x
2. Step 2: Convert to fraction form
   1,348.45/1,860.37 = 876.42/x
3. Step 3: Cross multiply
   1,348.45x = 1,860.37 × 876.42
4. Step 4: Simplify right side
   1,348.45x = 1,630,463.28
5. Step 5: Solve for x
   x = 1,630,463.28/1,348.45
6. Step 6: Final answer
   x = 1,209.14