Finding the Fourth Proportional to 1,342.76, 1,851.50 and 844.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.76 : 1,851.50 = 844.80 : x
2. Step 2: Convert to fraction form
   1,342.76/1,851.50 = 844.80/x
3. Step 3: Cross multiply
   1,342.76x = 1,851.50 × 844.80
4. Step 4: Simplify right side
   1,342.76x = 1,564,147.20
5. Step 5: Solve for x
   x = 1,564,147.20/1,342.76
6. Step 6: Final answer
   x = 1,164.87